o ni ni ni ni ni
o ni ni ni ni ni .
o WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY
o WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY . WORD_BOUNDARY