Add CMU pronunciation dictionary files

dicts/cmudict.phones

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+AA	vowel
+AE	vowel
+AH	vowel
+AO	vowel
+AW	vowel
+AY	vowel
+B	stop
+CH	affricate
+D	stop
+DH	fricative
+EH	vowel
+ER	vowel
+EY	vowel
+F	fricative
+G	stop
+HH	aspirate
+IH	vowel
+IY	vowel
+JH	affricate
+K	stop
+L	liquid
+M	nasal
+N	nasal
+NG	nasal
+OW	vowel
+OY	vowel
+P	stop
+R	liquid
+S	fricative
+SH	fricative
+T	stop
+TH	fricative
+UH	vowel
+UW	vowel
+V	fricative
+W	semivowel
+Y	semivowel
+Z	fricative
+ZH	fricative