quién ha roto esto
quién ha roto esto ?
k j e̞ n WORD_BOUNDARY a WORD_BOUNDARY ɾ o̞ t o̞ WORD_BOUNDARY e̞ s t o̞ WORD_BOUNDARY
q u i é n WORD_BOUNDARY h a WORD_BOUNDARY r o t o WORD_BOUNDARY e s t o WORD_BOUNDARY ? WORD_BOUNDARY