isto é o quarto
isto é o quarto ?
i ʃ t̪ o WORD_BOUNDARY ɛ WORD_BOUNDARY u WORD_BOUNDARY k o a ɾ t̪ u WORD_BOUNDARY
i s t o WORD_BOUNDARY é WORD_BOUNDARY o WORD_BOUNDARY q u a r t o WORD_BOUNDARY ? WORD_BOUNDARY