嘩 aa1 aa1 aa1 aa1
waa3 aa1 aa1 aa1 aa1
int sfp sfp sfp sfp
嘩 aa1 aa1 aa1 aa1 .
w a̞˧ WORD_BOUNDARY a̞˥ WORD_BOUNDARY a̞˥ WORD_BOUNDARY a̞˥ WORD_BOUNDARY a̞˥ WORD_BOUNDARY
嘩 WORD_BOUNDARY a a 1 WORD_BOUNDARY a a 1 WORD_BOUNDARY a a 1 WORD_BOUNDARY a a 1 WORD_BOUNDARY . WORD_BOUNDARY