kono naka ni airon ga aru yo
kono naka ni airon ga aru yo .
k o n o WORD_BOUNDARY n a k a WORD_BOUNDARY n i WORD_BOUNDARY a i r o n WORD_BOUNDARY g a WORD_BOUNDARY a r ɯ WORD_BOUNDARY j o WORD_BOUNDARY
k o n o WORD_BOUNDARY n a k a WORD_BOUNDARY n i WORD_BOUNDARY a i r o n WORD_BOUNDARY g a WORD_BOUNDARY a r u WORD_BOUNDARY y o WORD_BOUNDARY