dakara nani ga haitte iru ka wakannai kara
dakara nani ga haitte iru ka wakannai kara .
d a k a r a WORD_BOUNDARY n a n i WORD_BOUNDARY g a WORD_BOUNDARY h a i t t e WORD_BOUNDARY i r ɯ WORD_BOUNDARY k a WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY k a r a WORD_BOUNDARY
d a k a r a WORD_BOUNDARY n a n i WORD_BOUNDARY g a WORD_BOUNDARY h a i t t e WORD_BOUNDARY i r u WORD_BOUNDARY k a WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY k a r a WORD_BOUNDARY