ato ikkai da yo ikkai
ato ikkai da yo ikkai .
a t o WORD_BOUNDARY i k k a i WORD_BOUNDARY d a WORD_BOUNDARY j o WORD_BOUNDARY i k k a i WORD_BOUNDARY
a t o WORD_BOUNDARY i k k a i WORD_BOUNDARY d a WORD_BOUNDARY y o WORD_BOUNDARY i k k a i WORD_BOUNDARY