na na na na na nah
na na na na na nah .
n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY n a h WORD_BOUNDARY
n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY n a h WORD_BOUNDARY