a ver qué era esto érase una vez
a ver qué era esto érase una vez .
a WORD_BOUNDARY β e ɾ WORD_BOUNDARY k e WORD_BOUNDARY e ɾ a WORD_BOUNDARY e s t o WORD_BOUNDARY e ɾ a s e WORD_BOUNDARY u n a WORD_BOUNDARY β e θ WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY q u é WORD_BOUNDARY e r a WORD_BOUNDARY e s t o WORD_BOUNDARY é r a s e WORD_BOUNDARY u n a WORD_BOUNDARY v e z WORD_BOUNDARY