38. The computer-readable storage medium of claim 36 , wherein the instruction to select phoneme sub-strings comprises: an instruction to form an orthographic neighborhood from in-vocabulary words correspond to orthographic anchors that satisfy the closeness measure; and an instruction to create a pronunciation data neighborhood from phoneme strings for the in-vocabulary words in the orthographic neighborhood, the phoneme strings have at least one phoneme sub-string in the dictionary.
38. The computer-readable storage medium of claim 36 , wherein the instruction to select phoneme sub-strings comprises: an instruction to form an orthographic neighborhood from in-vocabulary words correspond to orthographic anchors that satisfy the closeness measure; and an instruction to create a pronunciation data neighborhood from phoneme strings for the in-vocabulary words in the orthographic neighborhood, the phoneme strings have at least one phoneme sub-string in the dictionary. 39. The computer-readable storage medium of claim 38 , wherein the instruction to select phoneme sub-strings further comprises: an instruction to select phoneme strings in the pronunciation data neighborhood for each context within the out-of vocabulary word; an instruction to align the selected phoneme strings on common phoneme sub-strings; and an instruction to select a phoneme sub-string for each context from the common phoneme sub-strings.