a-ii a-iv aaaa aaab aaai aaam aaav aaba aabb aabi aabm aaib aaii aama aamb aami aava abaa abab abai abam abb- abba abbb abbi abia abib abim abma abmb abva aiai aiba aiia aiib aimi aimm aiva amaa amai amam amb- amba ambi amia amib amii amm- amma ammi avab avia avim aviv avma avva ba-i baaa baam baba babb babi babm baia baib bama bamb bami bamm bava bavi bbbb biba bibb bibi bima bivi bmaa bmmi iaaa iaai iaba iabm iaia iaim iama iamb iami iava ibbm ibia ibim ibma iiii imai imam imba imbi imma immi ivai ivbv ivim ma-i maaa maai maam maba mabi maia maib maii maim mama mami mava mavi mbam mbav mbba mbia mbim miaa miab miai miam miii mim- mima mimi miva mmaa mmab mmai mmii mmiv mmmm mmvi mvii vaia vama vava viam viii vimi viva vivi vvvv