hm I don't know
hm I do know
co pro:sub mod v
hm i don't know .
eɪ t̠ʃ ɛ m WORD_BOUNDARY aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY
h m WORD_BOUNDARY i WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY