o Kakka ga okkii hoo
o kakka ga okkii hoo ?
o WORD_BOUNDARY k a k k a WORD_BOUNDARY g a WORD_BOUNDARY o k k i i WORD_BOUNDARY h oː WORD_BOUNDARY
o WORD_BOUNDARY k a k k a WORD_BOUNDARY g a WORD_BOUNDARY o k k i i WORD_BOUNDARY h o o WORD_BOUNDARY