pam pam param pam pam
pam pam param pam pam .
p a m WORD_BOUNDARY p a m WORD_BOUNDARY p a r a m WORD_BOUNDARY p a m WORD_BOUNDARY p a m WORD_BOUNDARY
p a m WORD_BOUNDARY p a m WORD_BOUNDARY p a r a m WORD_BOUNDARY p a m WORD_BOUNDARY p a m WORD_BOUNDARY . WORD_BOUNDARY