a_ver éstos son
a ver éstos son .
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY e̞ s t o̞ s WORD_BOUNDARY s o̞ n WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY é s t o s WORD_BOUNDARY s o n WORD_BOUNDARY . WORD_BOUNDARY