from maya import cmds

currentSel = (cmds.ls(sl=1)[0]).split(":")[0]
allMouthShapes = mel.eval('twitchMouthPointers')
allMouthShapes += mel.eval('twitchJawPointers')
allMouthShapes += mel.eval('twitchLipsPointers')
allMouthShapes += mel.eval('twitchTonguePointers')
allMouthShapes += mel.eval('twitchTeethPointers')
mouthNamespace = list()
for item in allMouthShapes:
    mouthNamespace.append (currentSel + ":" + item)
print (mouthNamespace)
for item in mouthNamespace:
    cmds.select (items, add=True)