a koko atama ga aru kara ne
a koko atama ga aru kara ne .
a WORD_BOUNDARY k o k o WORD_BOUNDARY a t a m a WORD_BOUNDARY g a WORD_BOUNDARY a r ɯ WORD_BOUNDARY k a r a WORD_BOUNDARY n e WORD_BOUNDARY
a WORD_BOUNDARY k o k o WORD_BOUNDARY a t a m a WORD_BOUNDARY g a WORD_BOUNDARY a r u WORD_BOUNDARY k a r a WORD_BOUNDARY n e WORD_BOUNDARY