dakara koko ni toge ga aru
dakara koko ni toge ga aru .
d a k a r a WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY t o g e WORD_BOUNDARY g a WORD_BOUNDARY a r ɯ WORD_BOUNDARY
d a k a r a WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY t o g e WORD_BOUNDARY g a WORD_BOUNDARY a r u WORD_BOUNDARY