a_ver anda esta ahí
a ver anda esta ahí !
a WORD_BOUNDARY β e ɾ WORD_BOUNDARY a n d a WORD_BOUNDARY e s t a WORD_BOUNDARY a i WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY a n d a WORD_BOUNDARY e s t a WORD_BOUNDARY a h í WORD_BOUNDARY