pakko pakko pakko pakkopakko
pakko pakko pakko pakkopakko .
p a k k o WORD_BOUNDARY p a k k o WORD_BOUNDARY p a k k o WORD_BOUNDARY p a k k o p a k k o WORD_BOUNDARY
p a k k o WORD_BOUNDARY p a k k o WORD_BOUNDARY p a k k o WORD_BOUNDARY p a k k o p a k k o WORD_BOUNDARY