a-ii aaaa aaab aaai aaam aaba aabb aabi aabm aaib aaii aama aamb aami abaa abab abai abam abb- abba abbb abbi abia abib abim abma abmb aiai aiba aiia aiib aimi aimm amaa amai amam amb- amba ambi amia amib amii amm- amma ammi ba-i baaa baam baba babb babi babm baia baib bama bamb bami bamm bbbb biba bibb bibi bima bmaa bmmi iaaa iaai iaba iabm iaia iaim iama iamb iami ibbm ibia ibim ibma iiii imai imam imba imbi imma immi ma-i maaa maai maam maba mabi maia maib maii maim mama mami mbam mbba mbia mbim miaa miab miai miam miii mim- mima mimi mmaa mmab mmai mmii mmmm