ayer no hiciste nada
ayer no hiciste nada ?
a j e̞ ɾ WORD_BOUNDARY n o̞ WORD_BOUNDARY ʝ s i s t e̞ WORD_BOUNDARY n a d a WORD_BOUNDARY
a y e r WORD_BOUNDARY n o WORD_BOUNDARY h i c i s t e WORD_BOUNDARY n a d a WORD_BOUNDARY ? WORD_BOUNDARY