a ver son blancos
a ver son blancos .
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY s o̞ n WORD_BOUNDARY β l a n k o̞ s WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY s o n WORD_BOUNDARY b l a n c o s WORD_BOUNDARY . WORD_BOUNDARY