okao shika kakenakatta kara
okao shika kakenakatta kara .
o k a o WORD_BOUNDARY ʃ i k a WORD_BOUNDARY k a k e n a k a t t a WORD_BOUNDARY k a r a WORD_BOUNDARY
o k a o WORD_BOUNDARY s h i k a WORD_BOUNDARY k a k e n a k a t t a WORD_BOUNDARY k a r a WORD_BOUNDARY