a_ver otro zapato
a ver otro zapato ?
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY o̞ t ɾ o̞ WORD_BOUNDARY s a p a t o̞ WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY o t r o WORD_BOUNDARY z a p a t o WORD_BOUNDARY ? WORD_BOUNDARY