a_ver ven ven ven
a ver ven ven ven .
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY β e̞ n WORD_BOUNDARY β e̞ n WORD_BOUNDARY β e̞ n WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY v e n WORD_BOUNDARY v e n WORD_BOUNDARY v e n WORD_BOUNDARY . WORD_BOUNDARY