a ver si aparece
a ver si aparece .
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY s i WORD_BOUNDARY a p a ɾ e̞ s e̞ WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY s i WORD_BOUNDARY a p a r e c e WORD_BOUNDARY . WORD_BOUNDARY