brmm-brmm brmm-brmm
brmm-brmm brmm-brmm .
b eː e rː e mː e mː b eː e rː e mː e mː WORD_BOUNDARY b eː e rː e mː e mː b eː e rː e mː e mː WORD_BOUNDARY
b r m m - b r m m WORD_BOUNDARY b r m m - b r m m WORD_BOUNDARY . WORD_BOUNDARY