ai ai ai ai ai
ai ai ai ai ai .
ai̯ WORD_BOUNDARY ai̯ WORD_BOUNDARY ai̯ WORD_BOUNDARY ai̯ WORD_BOUNDARY ai̯ WORD_BOUNDARY
a i WORD_BOUNDARY a i WORD_BOUNDARY a i WORD_BOUNDARY a i WORD_BOUNDARY a i WORD_BOUNDARY . WORD_BOUNDARY