[op.name for op in graph.get_operations()]

['input_node', 'input_lengths', 'ToInt64', 'Shape', 'transpose/perm', 'transpose', 'Reshape/shape', 'Reshape', 'b1', 'b1/read', 'h1', 'h1/read', 'MatMul', 'Add', 'Relu', 'Minimum/y', 'Minimum', 'b2', 'b2/read', 'h2', 'h2/read', 'MatMul_1', 'Add_1', 'Relu_1', 'Minimum_1/y', 'Minimum_1', 'b3', 'b3/read', 'h3', 'h3/read', 'MatMul_2', 'Add_2', 'Relu_2', 'Minimum_2/y', 'Minimum_2', 'strided_slice/stack', 'strided_slice/stack_1', 'strided_slice/stack_2', 'strided_slice', 'Reshape_1/shape/0', 'Reshape_1/shape/2', 'Reshape_1/shape', 'Reshape_1', 'bidirectional_rnn/fw/ToInt32', 'bidirectional_rnn/fw/sequence_length', 'bidirectional_rnn/fw/fw/Shape', 'bidirectional_rnn/fw/fw/strided_slice/stack', 'bidirectional_rnn/fw/fw/strided_slice/stack_1', 'bidirectional_rnn/fw/fw/strided_slice/stack_2', 'bidirectional_rnn/fw/fw/strided_slice', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/ExpandDims/dim', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/ExpandDims', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/Const', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/concat/axis', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/concat', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/zeros/Const', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/zeros', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/ExpandDims_2/dim', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/ExpandDims_2', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/Const_2', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/concat_1/axis', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/concat_1', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/zeros_1/Const', 'bidirectional_rnn/fw/fw/DropoutWrapperZeroState/BasicLSTMCellZeroState/zeros_1', 'bidirectional_rnn/fw/fw/Shape_1', 'bidirectional_rnn/fw/fw/stack', 'bidirectional_rnn/fw/fw/Equal', 'bidirectional_rnn/fw/fw/Const', 'bidirectional_rnn/fw/fw/All', 'bidirectional_rnn/fw/fw/Assert/Assert/data_0', 'bidirectional_rnn/fw/fw/Assert/Assert/data_2', 'bidirectional_rnn/fw/fw/Assert/Assert', 'bidirectional_rnn/fw/fw/CheckSeqLen', 'bidirectional_rnn/fw/fw/Shape_2', 'bidirectional_rnn/fw/fw/strided_slice_1/stack', 'bidirectional_rnn/fw/fw/strided_slice_1/stack_1', 'bidirectional_rnn/fw/fw/strided_slice_1/stack_2', 'bidirectional_rnn/fw/fw/strided_slice_1', 'bidirectional_rnn/fw/fw/Shape_3', 'bidirectional_rnn/fw/fw/strided_slice_2/stack', 'bidirectional_rnn/fw/fw/strided_slice_2/stack_1', 'bidirectional_rnn/fw/fw/strided_slice_2/stack_2', 'bidirectional_rnn/fw/fw/strided_slice_2', 'bidirectional_rnn/fw/fw/ExpandDims/dim', 'bidirectional_rnn/fw/fw/ExpandDims', 'bidirectional_rnn/fw/fw/Const_1', 'bidirectional_rnn/fw/fw/concat/axis', 'bidirectional_rnn/fw/fw/concat', 'bidirectional_rnn/fw/fw/zeros/Const', 'bidirectional_rnn/fw/fw/zeros', 'bidirectional_rnn/fw/fw/time', 'bidirectional_rnn/fw/fw/TensorArray', 'bidirectional_rnn/fw/fw/TensorArray_1', 'bidirectional_rnn/fw/fw/TensorArrayUnstack/Shape', 'bidirectional_rnn/fw/fw/TensorArrayUnstack/strided_slice/stack', 'bidirectional_rnn/fw/fw/TensorArrayUnstack/strided_slice/stack_1', 'bidirectional_rnn/fw/fw/TensorArrayUnstack/strided_slice/stack_2', 'bidirectional_rnn/fw/fw/TensorArrayUnstack/strided_slice', 'bidirectional_rnn/fw/fw/TensorArrayUnstack/range/start', 'bidirectional_rnn/fw/fw/TensorArrayUnstack/range/delta', 'bidirectional_rnn/fw/fw/TensorArrayUnstack/range', 'bidirectional_rnn/fw/fw/TensorArrayUnstack/TensorArrayScatter/TensorArrayScatterV3', 'bidirectional_rnn/fw/fw/while/Enter', 'bidirectional_rnn/fw/fw/while/Enter_1', 'bidirectional_rnn/fw/fw/while/Enter_2', 'bidirectional_rnn/fw/fw/while/Enter_3', 'bidirectional_rnn/fw/fw/while/Merge', 'bidirectional_rnn/fw/fw/while/Merge_1', 'bidirectional_rnn/fw/fw/while/Merge_2', 'bidirectional_rnn/fw/fw/while/Merge_3', 'bidirectional_rnn/fw/fw/while/Less/Enter', 'bidirectional_rnn/fw/fw/while/Less', 'bidirectional_rnn/fw/fw/while/LoopCond', 'bidirectional_rnn/fw/fw/while/Switch', 'bidirectional_rnn/fw/fw/while/Switch_1', 'bidirectional_rnn/fw/fw/while/Switch_2', 'bidirectional_rnn/fw/fw/while/Switch_3', 'bidirectional_rnn/fw/fw/while/Identity', 'bidirectional_rnn/fw/fw/while/Identity_1', 'bidirectional_rnn/fw/fw/while/Identity_2', 'bidirectional_rnn/fw/fw/while/Identity_3', 'bidirectional_rnn/fw/fw/while/TensorArrayReadV3/Enter', 'bidirectional_rnn/fw/fw/while/TensorArrayReadV3/Enter_1', 'bidirectional_rnn/fw/fw/while/TensorArrayReadV3', 'bidirectional_rnn/fw/basic_lstm_cell/kernel', 'bidirectional_rnn/fw/basic_lstm_cell/kernel/read', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/basic_lstm_cell/concat/axis', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/basic_lstm_cell/concat', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/basic_lstm_cell/MatMul/Enter', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/basic_lstm_cell/MatMul', 'bidirectional_rnn/fw/basic_lstm_cell/bias', 'bidirectional_rnn/fw/basic_lstm_cell/bias/read', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/basic_lstm_cell/BiasAdd/Enter', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/basic_lstm_cell/BiasAdd', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/split/split_dim', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/split', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/add/y', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/add', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/Sigmoid', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/mul', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/Sigmoid_1', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/Tanh', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/mul_1', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/add_1', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/Tanh_1', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/Sigmoid_2', 'bidirectional_rnn/fw/fw/while/fw/basic_lstm_cell/mul_2', 'bidirectional_rnn/fw/fw/while/GreaterEqual/Enter', 'bidirectional_rnn/fw/fw/while/GreaterEqual', 'bidirectional_rnn/fw/fw/while/Select/Enter', 'bidirectional_rnn/fw/fw/while/Select', 'bidirectional_rnn/fw/fw/while/GreaterEqual_1', 'bidirectional_rnn/fw/fw/while/Select_1', 'bidirectional_rnn/fw/fw/while/GreaterEqual_2', 'bidirectional_rnn/fw/fw/while/Select_2', 'bidirectional_rnn/fw/fw/while/TensorArrayWrite/TensorArrayWriteV3/Enter', 'bidirectional_rnn/fw/fw/while/TensorArrayWrite/TensorArrayWriteV3', 'bidirectional_rnn/fw/fw/while/add/y', 'bidirectional_rnn/fw/fw/while/add', 'bidirectional_rnn/fw/fw/while/NextIteration', 'bidirectional_rnn/fw/fw/while/NextIteration_1', 'bidirectional_rnn/fw/fw/while/NextIteration_2', 'bidirectional_rnn/fw/fw/while/NextIteration_3', 'bidirectional_rnn/fw/fw/while/Exit_1', 'bidirectional_rnn/fw/fw/TensorArrayStack/TensorArraySizeV3', 'bidirectional_rnn/fw/fw/TensorArrayStack/range/start', 'bidirectional_rnn/fw/fw/TensorArrayStack/range/delta', 'bidirectional_rnn/fw/fw/TensorArrayStack/range', 'bidirectional_rnn/fw/fw/TensorArrayStack/TensorArrayGatherV3', 'bidirectional_rnn/bw/ReverseSequence', 'bidirectional_rnn/bw/ToInt32', 'bidirectional_rnn/bw/sequence_length', 'bidirectional_rnn/bw/bw/Shape', 'bidirectional_rnn/bw/bw/strided_slice/stack', 'bidirectional_rnn/bw/bw/strided_slice/stack_1', 'bidirectional_rnn/bw/bw/strided_slice/stack_2', 'bidirectional_rnn/bw/bw/strided_slice', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/ExpandDims/dim', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/ExpandDims', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/Const', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/concat/axis', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/concat', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/zeros/Const', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/zeros', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/ExpandDims_2/dim', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/ExpandDims_2', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/Const_2', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/concat_1/axis', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/concat_1', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/zeros_1/Const', 'bidirectional_rnn/bw/bw/DropoutWrapperZeroState/BasicLSTMCellZeroState/zeros_1', 'bidirectional_rnn/bw/bw/Shape_1', 'bidirectional_rnn/bw/bw/stack', 'bidirectional_rnn/bw/bw/Equal', 'bidirectional_rnn/bw/bw/Const', 'bidirectional_rnn/bw/bw/All', 'bidirectional_rnn/bw/bw/Assert/Assert/data_0', 'bidirectional_rnn/bw/bw/Assert/Assert/data_2', 'bidirectional_rnn/bw/bw/Assert/Assert', 'bidirectional_rnn/bw/bw/CheckSeqLen', 'bidirectional_rnn/bw/bw/Shape_2', 'bidirectional_rnn/bw/bw/strided_slice_1/stack', 'bidirectional_rnn/bw/bw/strided_slice_1/stack_1', 'bidirectional_rnn/bw/bw/strided_slice_1/stack_2', 'bidirectional_rnn/bw/bw/strided_slice_1', 'bidirectional_rnn/bw/bw/Shape_3', 'bidirectional_rnn/bw/bw/strided_slice_2/stack', 'bidirectional_rnn/bw/bw/strided_slice_2/stack_1', 'bidirectional_rnn/bw/bw/strided_slice_2/stack_2', 'bidirectional_rnn/bw/bw/strided_slice_2', 'bidirectional_rnn/bw/bw/ExpandDims/dim', 'bidirectional_rnn/bw/bw/ExpandDims', 'bidirectional_rnn/bw/bw/Const_1', 'bidirectional_rnn/bw/bw/concat/axis', 'bidirectional_rnn/bw/bw/concat', 'bidirectional_rnn/bw/bw/zeros/Const', 'bidirectional_rnn/bw/bw/zeros', 'bidirectional_rnn/bw/bw/time', 'bidirectional_rnn/bw/bw/TensorArray', 'bidirectional_rnn/bw/bw/TensorArray_1', 'bidirectional_rnn/bw/bw/TensorArrayUnstack/Shape', 'bidirectional_rnn/bw/bw/TensorArrayUnstack/strided_slice/stack', 'bidirectional_rnn/bw/bw/TensorArrayUnstack/strided_slice/stack_1', 'bidirectional_rnn/bw/bw/TensorArrayUnstack/strided_slice/stack_2', 'bidirectional_rnn/bw/bw/TensorArrayUnstack/strided_slice', 'bidirectional_rnn/bw/bw/TensorArrayUnstack/range/start', 'bidirectional_rnn/bw/bw/TensorArrayUnstack/range/delta', 'bidirectional_rnn/bw/bw/TensorArrayUnstack/range', 'bidirectional_rnn/bw/bw/TensorArrayUnstack/TensorArrayScatter/TensorArrayScatterV3', 'bidirectional_rnn/bw/bw/while/Enter', 'bidirectional_rnn/bw/bw/while/Enter_1', 'bidirectional_rnn/bw/bw/while/Enter_2', 'bidirectional_rnn/bw/bw/while/Enter_3', 'bidirectional_rnn/bw/bw/while/Merge', 'bidirectional_rnn/bw/bw/while/Merge_1', 'bidirectional_rnn/bw/bw/while/Merge_2', 'bidirectional_rnn/bw/bw/while/Merge_3', 'bidirectional_rnn/bw/bw/while/Less/Enter', 'bidirectional_rnn/bw/bw/while/Less', 'bidirectional_rnn/bw/bw/while/LoopCond', 'bidirectional_rnn/bw/bw/while/Switch', 'bidirectional_rnn/bw/bw/while/Switch_1', 'bidirectional_rnn/bw/bw/while/Switch_2', 'bidirectional_rnn/bw/bw/while/Switch_3', 'bidirectional_rnn/bw/bw/while/Identity', 'bidirectional_rnn/bw/bw/while/Identity_1', 'bidirectional_rnn/bw/bw/while/Identity_2', 'bidirectional_rnn/bw/bw/while/Identity_3', 'bidirectional_rnn/bw/bw/while/TensorArrayReadV3/Enter', 'bidirectional_rnn/bw/bw/while/TensorArrayReadV3/Enter_1', 'bidirectional_rnn/bw/bw/while/TensorArrayReadV3', 'bidirectional_rnn/bw/basic_lstm_cell/kernel', 'bidirectional_rnn/bw/basic_lstm_cell/kernel/read', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/basic_lstm_cell/concat/axis', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/basic_lstm_cell/concat', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/basic_lstm_cell/MatMul/Enter', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/basic_lstm_cell/MatMul', 'bidirectional_rnn/bw/basic_lstm_cell/bias', 'bidirectional_rnn/bw/basic_lstm_cell/bias/read', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/basic_lstm_cell/BiasAdd/Enter', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/basic_lstm_cell/BiasAdd', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/split/split_dim', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/split', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/add/y', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/add', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/Sigmoid', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/mul', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/Sigmoid_1', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/Tanh', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/mul_1', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/add_1', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/Tanh_1', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/Sigmoid_2', 'bidirectional_rnn/bw/bw/while/bw/basic_lstm_cell/mul_2', 'bidirectional_rnn/bw/bw/while/GreaterEqual/Enter', 'bidirectional_rnn/bw/bw/while/GreaterEqual', 'bidirectional_rnn/bw/bw/while/Select/Enter', 'bidirectional_rnn/bw/bw/while/Select', 'bidirectional_rnn/bw/bw/while/GreaterEqual_1', 'bidirectional_rnn/bw/bw/while/Select_1', 'bidirectional_rnn/bw/bw/while/GreaterEqual_2', 'bidirectional_rnn/bw/bw/while/Select_2', 'bidirectional_rnn/bw/bw/while/TensorArrayWrite/TensorArrayWriteV3/Enter', 'bidirectional_rnn/bw/bw/while/TensorArrayWrite/TensorArrayWriteV3', 'bidirectional_rnn/bw/bw/while/add/y', 'bidirectional_rnn/bw/bw/while/add', 'bidirectional_rnn/bw/bw/while/NextIteration', 'bidirectional_rnn/bw/bw/while/NextIteration_1', 'bidirectional_rnn/bw/bw/while/NextIteration_2', 'bidirectional_rnn/bw/bw/while/NextIteration_3', 'bidirectional_rnn/bw/bw/while/Exit_1', 'bidirectional_rnn/bw/bw/TensorArrayStack/TensorArraySizeV3', 'bidirectional_rnn/bw/bw/TensorArrayStack/range/start', 'bidirectional_rnn/bw/bw/TensorArrayStack/range/delta', 'bidirectional_rnn/bw/bw/TensorArrayStack/range', 'bidirectional_rnn/bw/bw/TensorArrayStack/TensorArrayGatherV3', 'ReverseSequence', 'concat/axis', 'concat', 'Reshape_2/shape', 'Reshape_2', 'b5', 'b5/read', 'h5', 'h5/read', 'MatMul_3', 'Add_3', 'Relu_3', 'Minimum_3/y', 'Minimum_3', 'b6', 'b6/read', 'h6', 'h6/read', 'MatMul_4', 'Add_4', 'strided_slice_1/stack', 'strided_slice_1/stack_1', 'strided_slice_1/stack_2', 'strided_slice_1', 'logits/shape/0', 'logits/shape/2', 'logits/shape', 'logits', 'CTCBeamSearchDecoder', 'SparseToDense/default_value', 'SparseToDense', 'output_node']