a list of um list of letters
a list of letter
det:art n prep n
a list of um list of letters .
ɐ WORD_BOUNDARY l ɪ s t WORD_BOUNDARY ʌ v WORD_BOUNDARY ʌ m WORD_BOUNDARY l ɪ s t WORD_BOUNDARY ʌ v WORD_BOUNDARY l ɛ ɾ ɚ z WORD_BOUNDARY
a WORD_BOUNDARY l i s t WORD_BOUNDARY o f WORD_BOUNDARY u m WORD_BOUNDARY l i s t WORD_BOUNDARY o f WORD_BOUNDARY l e t t e r s WORD_BOUNDARY