daa1 da3 da3 da3 daa1
daa1 daa1
co co
daa1 da3 da3 da3 daa1 .
t a̞˥ WORD_BOUNDARY t a̞˥ WORD_BOUNDARY
d a a 1 WORD_BOUNDARY d a 3 WORD_BOUNDARY d a 3 WORD_BOUNDARY d a 3 WORD_BOUNDARY d a a 1 WORD_BOUNDARY . WORD_BOUNDARY