a ve a ve a ve
a ve a ve a ve .
a WORD_BOUNDARY β e̞ WORD_BOUNDARY a WORD_BOUNDARY β e̞ WORD_BOUNDARY a WORD_BOUNDARY β e̞ WORD_BOUNDARY
a WORD_BOUNDARY v e WORD_BOUNDARY a WORD_BOUNDARY v e WORD_BOUNDARY a WORD_BOUNDARY v e WORD_BOUNDARY . WORD_BOUNDARY