kaikattara atama o tatakina
kaikattara atama o tatakina .
k a i k a t t a r a WORD_BOUNDARY a t a m a WORD_BOUNDARY o WORD_BOUNDARY t a t a k i n a WORD_BOUNDARY
k a i k a t t a r a WORD_BOUNDARY a t a m a WORD_BOUNDARY o WORD_BOUNDARY t a t a k i n a WORD_BOUNDARY