sí a no le has cantado no le has cantado
sí a no le has cantado no le has cantado ?
s i WORD_BOUNDARY a WORD_BOUNDARY n o̞ WORD_BOUNDARY l e̞ WORD_BOUNDARY a s WORD_BOUNDARY k a n t a d o̞ WORD_BOUNDARY n o̞ WORD_BOUNDARY l e̞ WORD_BOUNDARY a s WORD_BOUNDARY k a n t a d o̞ WORD_BOUNDARY
s í WORD_BOUNDARY a WORD_BOUNDARY n o WORD_BOUNDARY l e WORD_BOUNDARY h a s WORD_BOUNDARY c a n t a d o WORD_BOUNDARY n o WORD_BOUNDARY l e WORD_BOUNDARY h a s WORD_BOUNDARY c a n t a d o WORD_BOUNDARY ? WORD_BOUNDARY