pakkapakka pakkapakka pakkapakka
pakkapakka pakkapakka pakkapakka .
p a k k a p a k k a WORD_BOUNDARY p a k k a p a k k a WORD_BOUNDARY p a k k a p a k k a WORD_BOUNDARY
p a k k a p a k k a WORD_BOUNDARY p a k k a p a k k a WORD_BOUNDARY p a k k a p a k k a WORD_BOUNDARY