ni buku buku kosong ni
ni buku buku kosong ni .
n i WORD_BOUNDARY b u k u WORD_BOUNDARY b u k u WORD_BOUNDARY k o s o ŋ WORD_BOUNDARY n i WORD_BOUNDARY
n i WORD_BOUNDARY b u k u WORD_BOUNDARY b u k u WORD_BOUNDARY k o s o n g WORD_BOUNDARY n i WORD_BOUNDARY . WORD_BOUNDARY