a ver si entra a ver
a ver si entra a ver ?
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY s i WORD_BOUNDARY e̞ n t ɾ a WORD_BOUNDARY a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY s i WORD_BOUNDARY e n t r a WORD_BOUNDARY a WORD_BOUNDARY v e r WORD_BOUNDARY ? WORD_BOUNDARY