ni bai ni bai ni bai
ni bai ni bai ni bai .
n i WORD_BOUNDARY β ai̯ WORD_BOUNDARY n i WORD_BOUNDARY β ai̯ WORD_BOUNDARY n i WORD_BOUNDARY β ai̯ WORD_BOUNDARY
n i WORD_BOUNDARY b a i WORD_BOUNDARY n i WORD_BOUNDARY b a i WORD_BOUNDARY n i WORD_BOUNDARY b a i WORD_BOUNDARY . WORD_BOUNDARY