nanka wake wakannai koto ni natte kichatta
nanka wake wakannai koto ni natte kichatta .
n a n k a WORD_BOUNDARY w a k e WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY k o t o WORD_BOUNDARY n i WORD_BOUNDARY n a t t e WORD_BOUNDARY k i t̠ʃ a t t a WORD_BOUNDARY
n a n k a WORD_BOUNDARY w a k e WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY k o t o WORD_BOUNDARY n i WORD_BOUNDARY n a t t e WORD_BOUNDARY k i c h a t t a WORD_BOUNDARY