ara okao dake deteru yo
ara okao dake deteru yo .
a r a WORD_BOUNDARY o k a o WORD_BOUNDARY d a k e WORD_BOUNDARY d e t e r ɯ WORD_BOUNDARY j o WORD_BOUNDARY
a r a WORD_BOUNDARY o k a o WORD_BOUNDARY d a k e WORD_BOUNDARY d e t e r u WORD_BOUNDARY y o WORD_BOUNDARY