m1 m1 m1 m1
m1 m1 m1 m1
v v v v
m1 m1 m1 m1 .
m̩˥ WORD_BOUNDARY m̩˥ WORD_BOUNDARY m̩˥ WORD_BOUNDARY m̩˥ WORD_BOUNDARY
m 1 WORD_BOUNDARY m 1 WORD_BOUNDARY m 1 WORD_BOUNDARY m 1 WORD_BOUNDARY . WORD_BOUNDARY