hakanai koto ga ooi kanaa
hakanai koto ga ooi kanaa .
h a k a n a i WORD_BOUNDARY k o t o WORD_BOUNDARY g a WORD_BOUNDARY oː i WORD_BOUNDARY k a n aː WORD_BOUNDARY
h a k a n a i WORD_BOUNDARY k o t o WORD_BOUNDARY g a WORD_BOUNDARY o o i WORD_BOUNDARY k a n a a WORD_BOUNDARY