tú no te asustas de_nada
tú no te asustas de nada ?
t u WORD_BOUNDARY n o̞ WORD_BOUNDARY t e̞ WORD_BOUNDARY a s u s t a s WORD_BOUNDARY d e̞ WORD_BOUNDARY n a d a WORD_BOUNDARY
t ú WORD_BOUNDARY n o WORD_BOUNDARY t e WORD_BOUNDARY a s u s t a s WORD_BOUNDARY d e WORD_BOUNDARY n a d a WORD_BOUNDARY ? WORD_BOUNDARY