o no hiciste nada
o no hiciste nada ?
o̞ WORD_BOUNDARY n o̞ WORD_BOUNDARY ʝ s i s t e̞ WORD_BOUNDARY n a d a WORD_BOUNDARY
o WORD_BOUNDARY n o WORD_BOUNDARY h i c i s t e WORD_BOUNDARY n a d a WORD_BOUNDARY ? WORD_BOUNDARY