a-be a-ii aaaa aaab aaae aaai aaam aaar aaba aabb aabi aabm aaea aaem aaib aaii aama aamb aame aami aamr aara aare aari aarm abaa abab abae abai abam abar abb- abba abbb abbe abbi abbr abee aber abia abib abie abim abir abma abmb abra abri aebi aeer aer- aera aeri aiai aiba aiea aiee aiia aiib aiir aime aimi aimm aira aire airi amaa amae amai amam amar amb- amba ambe ambi ambr amee amei amer amia amib amie amii amir amm- amma amme ammi amra amri arab arae arai aram arar arba arbe arbi area aree arei arem aria arib arie arii arim arma arme armi armm arr- arra arre arri arrr ba-i baaa baam baar baba babb babe babi babm babr baer baia baib baie bair bama bamb bame bami bamm bar- bara barb bare bari barm barr bbbb bbeb beam bear beba bebb bebe bebi beeb beem beer beia beim beir bema beme bera bere beri berm berr biar biba bibb bibe bibi bieb bier bima bira birb bire biri birr bmaa bmir bmmi brab brae brai bram brea breb bree brei brem brer bria brie brim brrm brrr eaba eama eame eara earb eare ebam ebba ebbr eber eeea eeee eera eiei eier eime eimi eira eire emae emam emar emba embe embi embr emer emia emii emim emir emma emme emmi emra emre eram erba erbb erbe ereb erei erem erer eria erie erim erma erme erra erre i-be iaaa iaai iaba iabm iaea iaia iaim iama iamb iame iami iara iare ibar ibbm ibea ibia ibie ibim ibma ibra ibri ieie iema ieme iera iere ieri iiie iiii iira imai imam imar imba imbe imbi imea imer imir imma imme immi imra imre imri imrr irae irai iram irar irbe irbm iree irem irer iri- iria irie irma irra irre irri ma-i maaa maai maam maar maba mabe mabi maee maem maer maia maib maie maii maim mair mama mame mami mar- mara mare mari marm marr mbam mbba mbia mbim meai mear mebe meem meer meir mema meme memr mer- mera merb mere meri merm miaa miab miai miam miee miem mier miii mim- mima mime mimi mira mire miri mirr mmaa mmab mmai mmar mmea mmii mmmm mrbb mrbm mreb mree mria raab raam raba rabb rabe rabi raer raia raie raii raim rair rama ramb rame rami ramm rara rarb rare rari rbbb rbbr rea- reae ream rear reba rebb rebe reeb reem reia reii reim reir rema reme remi rera rere reri riaa riab riai riam rib- riba ribe riem rier riia rima rime rimi rimm rire riri rrrr