7. The computer-implemented method of claim 1 , further comprising: generating an identifier based on the like-pronunciation group; and associating the identifier with the substitute pronunciation.
10. The computer-implemented method of claim 7 , further comprising: identifying a mapping between the substitute pronunciation and an actual pronunciation for the one or more corresponding phones of the actual phonetic transcription; associating the mapping with the identifier; and storing the association and the mapping in the confusion matrix.