aa aa kowarete nai ka
aa aa kowarete nai ka ?
aː WORD_BOUNDARY aː WORD_BOUNDARY k o w a r e t e WORD_BOUNDARY n a i WORD_BOUNDARY k a WORD_BOUNDARY
a a WORD_BOUNDARY a a WORD_BOUNDARY k o w a r e t e WORD_BOUNDARY n a i WORD_BOUNDARY k a WORD_BOUNDARY