naka ni aru kara naa
naka ni aru kara naa .
n a k a WORD_BOUNDARY n i WORD_BOUNDARY a r ɯ WORD_BOUNDARY k a r a WORD_BOUNDARY n aː WORD_BOUNDARY
n a k a WORD_BOUNDARY n i WORD_BOUNDARY a r u WORD_BOUNDARY k a r a WORD_BOUNDARY n a a WORD_BOUNDARY