m2 m1 m2 m1
m2 m1 m2 m1
fil v fil v
m2 m1 m2 m1 .
m̩˧˥ WORD_BOUNDARY m̩˥ WORD_BOUNDARY m̩˧˥ WORD_BOUNDARY m̩˥ WORD_BOUNDARY
m 2 WORD_BOUNDARY m 1 WORD_BOUNDARY m 2 WORD_BOUNDARY m 1 WORD_BOUNDARY . WORD_BOUNDARY