a mamá venga a_ver
a mamá venga a ver .
a WORD_BOUNDARY m a m a WORD_BOUNDARY β e̞ n ɡ a WORD_BOUNDARY a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY
a WORD_BOUNDARY m a m á WORD_BOUNDARY v e n g a WORD_BOUNDARY a WORD_BOUNDARY v e r WORD_BOUNDARY . WORD_BOUNDARY