ni ni ni ni apa ni
ni ni ni ni apa ni ?
n i WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY a p a WORD_BOUNDARY n i WORD_BOUNDARY
n i WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY n i WORD_BOUNDARY a p a WORD_BOUNDARY n i WORD_BOUNDARY ? WORD_BOUNDARY