a-ii a-iv aaaa aaab aaai aaam aaav aaba aabb aabi aabm aaib aaii aama aamb aami aamo aaoo aava abaa abab abai abam abb- abba abbb abbi abbo abia abib abim abma abmb aboa abob aboo abov abva aiai aiba aibo aiia aiib aimi aimm aimo aioi aiva amaa amai amam amb- amba ambi ambo amia amib amii amm- amma ammi ammo amob amoi amoo aoba aoma avab avao avia avim avio aviv avma avva avvo ba-i baaa baam baba babb babi babm babo baia baib baio bama bamb bami bamm bava bavi bbbb biao biba bibb bibi bibo bima bimo bio- bioi bivi bmaa bmmi boab boai boba bobb bobi bobo boi- boii boim boma bomb bomi boob boom bova bovi bovo iaaa iaai iaba iabm iaia iaim iama iamb iami iava ibbm ibia ibim ibma iiii iiio iioi iioo imai imam imao imba imbi imma immi immo ioba iobi ioii ioio ioma iomo iooi iooo ivai ivao ivbv ivim ma-i maaa maai maam maba mabi mabo maia maib maii maim maio mama mami mamo maoi mava mavi mavo mbam mbav mbba mbia mbim mbio miaa miab miai miam miao miii miio mim- mima mimi mimo mio- miva mmaa mmab mmai mmii mmiv mmmm mmvi moaa moab moai moam moba mobb mobi mobo moii moio moma momi momo mooa moob moov mova mvii oama obai obba obbo obia oboi obvi oiav oiba oiii oimb omai omam omao ombo omia omim omio omma omo- omoa omoi omoo omov ooaa ooba oobi ooia ooma oooo ovi- ovo- ovoo vaia vaio vama vamo vava viam viii vimi viva vivi vivo voia voio vomi voom vvob vvvv