aa1 打 打 daa6 aa1 打 打 daa6
aa1 daa2 daa2
fil v v
aa1 打 打 daa6 aa1 打 打 daa6 .
a̞˥ WORD_BOUNDARY t a̞˧˥ WORD_BOUNDARY t a̞˧˥ WORD_BOUNDARY
a a 1 WORD_BOUNDARY 打 WORD_BOUNDARY 打 WORD_BOUNDARY d a a 6 WORD_BOUNDARY a a 1 WORD_BOUNDARY 打 WORD_BOUNDARY 打 WORD_BOUNDARY d a a 6 WORD_BOUNDARY . WORD_BOUNDARY