qué ha pasado esto
qué ha pasado esto ?
k e̞ WORD_BOUNDARY a WORD_BOUNDARY p a s a d o̞ WORD_BOUNDARY e̞ s t o̞ WORD_BOUNDARY
q u é WORD_BOUNDARY h a WORD_BOUNDARY p a s a d o WORD_BOUNDARY e s t o WORD_BOUNDARY ? WORD_BOUNDARY