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