Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: -1
	at java.lang.String.substring(String.java:1958)
	at edu.cmu.sphinx.fst.utils.Utils.split_string(Utils.java:51)
	at edu.cmu.sphinx.linguist.g2p.Decoder.loadClusters(Decoder.java:133)
	at edu.cmu.sphinx.linguist.g2p.Decoder.init(Decoder.java:113)
	at edu.cmu.sphinx.linguist.g2p.Decoder.<init>(Decoder.java:82)
	at edu.cmu.sphinx.linguist.dictionary.FastDictionary.allocate(FastDictionary.java:240)
	at edu.cmu.sphinx.linguist.language.grammar.Grammar.allocate(Grammar.java:112)
	at edu.cmu.sphinx.linguist.flat.FlatLinguist.allocate(FlatLinguist.java:287)
	at edu.cmu.sphinx.decoder.search.SimpleBreadthFirstSearchManager.allocate(SimpleBreadthFirstSearchManager.java:646)
	at edu.cmu.sphinx.decoder.AbstractDecoder.allocate(AbstractDecoder.java:87)
	at edu.cmu.sphinx.recognizer.Recognizer.allocate(Recognizer.java:168)
	at edu.cmu.sphinx.demo.helloworld.HelloWorld.main(HelloWorld.java:37)