aaaa aaae aaaf aaar aaea aafa aaff aara aare aart aata aatf aatt aeaf aeer aer- aera aeta aetf aetr aett aetx afaa afar afat afee afer afet affa afft afr- afra afre afta afte afxe arae araf arar arat arax area aree aref aret arex arfa arff arft arr- arra arre arrr arrt arta arte artr artx at-t at-x ataa atae atar atat atax atea atee atef ater atex atfe atra atre atrx atta atte attr axaf axar axat axer axfr eaaf eara eare eart eata eate eeea eeee eefa eefe eera eeta eete eext efax efet effa eft- efta er-x eraf erat erer eret erft erfx erra erre erta etat etee eter etfa etfe etra etre etta ette exa- exer exrx exta exte extr faaa faex fafa fafe faff fara fare farr fart fata fate fatf fatt faxe feaf fear feat feer feet fefe feff fera fere ferr fert feta fete fetr fett fext ffar ffee ffff ffrr fftf frae frat frax frea free fret frex frta ftea fter raaf raat raef raer rafa rafe raff raft rara rare rarf rata rate ratf ratt raxa rea- reae reaf rear reat reef reet refe reff refr reft rera rere rert reta rete retr rett rexx rfae rfef rrat rrrr rtee rtex taa- taaf taar taat taer tafa tafe taff taft tara tare tarf tarr tart tata tate tatr tatt tax- taxa taxe taxf taxt tear teat teef teer teet teff teft ter- tera tere terf terr teta tete tetr tett tetx texa text tfae traa trae traf trat trax tre- trea tree tref tret trex trfr trra trte trtr tter ttfa ttff tttt txaa txtr xaar xara xare xate xeer xefe xer- xera xert xexe xfer xtar xtea xtra xxxx