a-ii aaaa aaae aaaf aaai aaea aafa aaff aafi aaii aata aatf aatt aeaf aeit aeta aetf aett aetx afaa afat afee afet affa affi afft afia afif afit afix afta afte afxe aiai aiea aiee aiet aiff aiia aita aite aitf aiti aitt aixa aixi at-t at-x ataa atae atai atat atax atea atee atef atei atex atfe atia atie atif atit atta atte atti axaf axat axi- axia axie eaaf eaif eata eate eati eeea eeee eefa eefe eeta eete eext efax efet effa effi efit eft- efta eiei eita eiti etai etat etee etfa etfe etix etta ette etti exa- exai exif exit exta exte faaa faex fafa fafe faff fafi faie fait faix fata fate fatf fati fatt faxe faxi feaf feat feet fefe feff fefi feia feie feit feta fete feti fett fext ffee ffff ffii fftf fiaa fiaf fiat fief fifa fife fiff fifi fift fiii fita fite fiti fitt fixe fixt fixx ftea ftii iaaa iaai iaat iaea iafe iaff iaia iata iate iati ieat ieet ieie ieta ietf iett ifaa ifae ifat ifex ifit ifta iifa iiie iiii iiit iita iitt itaa itaf itai itat itea itet itex itfa itia itie itif itta ittf ixia ixxi taa- taaf taat tafa tafe taff tafi taft taia tait taix tata tate tati tatt tax- taxa taxe taxf taxi taxt teat teef teet teff tefi teft teia teie teta tete teti tett tetx texa text tfae tiaa tiaf tiax tie- tiea tiee tief tiei tiet tifa tiff tift tiit tita tite titi titt tixt ttfa ttff tttt txaa txii x-fi xait xate xefe xexe xiii xita xixi xtea xtie xxii xxix xxxi xxxx