na na na na na la la la
na na na na na la la la
co co co co co co co co
na na na na na la la la .
n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY l a WORD_BOUNDARY l a WORD_BOUNDARY l a WORD_BOUNDARY
n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY n a WORD_BOUNDARY l a WORD_BOUNDARY l a WORD_BOUNDARY l a WORD_BOUNDARY