akai kikai doko itta kanaa
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a k a i WORD_BOUNDARY k i k a i WORD_BOUNDARY d o k o WORD_BOUNDARY i t t a WORD_BOUNDARY k a n aː WORD_BOUNDARY
a k a i WORD_BOUNDARY k i k a i WORD_BOUNDARY d o k o WORD_BOUNDARY i t t a WORD_BOUNDARY k a n a a WORD_BOUNDARY