a-be a-ii aaaa aaab aaae aaai aaam aaba aabb aabi aabm aaea aaem aaib aaii aama aamb aame aami aamo aaoe aaoo abaa abab abae abai abam abb- abba abbb abbe abbi abbo abee abia abib abie abim abma abmb aboa abob aboo aebi aeio aeom aiai aiba aibo aiea aiee aiia aiib aime aimi aimm aimo aioi amaa amae amai amam amb- amba ambe ambi ambo amee amei amia amib amie amii amm- amma amme ammi ammo amob amoi amoo aoba aoma ba-i baaa baam baba babb babe babi babm babo baia baib baie baio bama bamb bame bami bamm bbbb bbeb beam beba bebb bebe bebi bebo beeb beem beia beim bema beme beo- biao biba bibb bibe bibi bibo bieb bima bimo bio- bioi bmaa bmmi boab boai boba bobb bobe bobi bobo boea boee boeo boi- boie boii boim boma bomb bome bomi boob booe boom eaba eama eame eaom ebam ebba ebbo eboe eboo eeea eeee eemo eiao eiei eime eimi emae emam emba embe embi embo emia emii emim emma emme emmi i-be iaaa iaai iaba iabm iaea iaia iaim iama iamb iame iami ibbm ibea ibia ibie ibim ibma ieie ieio iema ieme iiie iiii iiio iioi iioo imai imam imao imba imbe imbi imea imma imme immi immo ioba iobi ioee ioii ioio ioma iome iomo iooi iooo ma-i maaa maai maam maba mabe mabi mabo maee maem maeo maia maib maie maii maim maio mama mame mami mamo maoi mbam mbba mbia mbim mbio meai mebe mebo meem mema meme memo miaa miab miai miam miao miee miem miii miio mim- mima mime mimi mimo mio- mmaa mmab mmai mmea mmii mmmm moaa moab moai moam moba mobb mobe mobi mobo moea moii moio moma mome momi momo mooa moob mooe o-eo oama obai obba obbo obea obia obie oboe oboi oeme oiba oiii oimb oime omai omam omao ombe ombo omee omei omeo omia omie omim omio omma omo- omoa omoe omoi omoo ooaa ooba oobe oobi ooia ooma oome oooo