dondoko dondoko dondoko dondoko aaa
dondoko dondoko dondoko dondoko aaa .
d o n d o k o WORD_BOUNDARY d o n d o k o WORD_BOUNDARY d o n d o k o WORD_BOUNDARY d o n d o k o WORD_BOUNDARY aː a WORD_BOUNDARY
d o n d o k o WORD_BOUNDARY d o n d o k o WORD_BOUNDARY d o n d o k o WORD_BOUNDARY d o n d o k o WORD_BOUNDARY a a a WORD_BOUNDARY