qual é o problema
qual é o problema ?
k o a l̪ˠ WORD_BOUNDARY ɛ WORD_BOUNDARY u WORD_BOUNDARY p ʁ u b l̪ˠ e m ɐ WORD_BOUNDARY
q u a l WORD_BOUNDARY é WORD_BOUNDARY o WORD_BOUNDARY p r o b l e m a WORD_BOUNDARY ? WORD_BOUNDARY