quem é_que falou
quem é que falou ?
k e m WORD_BOUNDARY ɛ WORD_BOUNDARY k ɯ WORD_BOUNDARY f ɐ l̪ˠ o WORD_BOUNDARY
q u e m WORD_BOUNDARY é WORD_BOUNDARY q u e WORD_BOUNDARY f a l o u WORD_BOUNDARY ? WORD_BOUNDARY