-er a-a a-c aaa aac aae aaf aak aar ac- aca acc ace acf ack acr aea aec aee aef aek aer af- afa afc afe aff afk afr aka akc ake akk akr ar- ara arc are arf ark arr c-- caa cac cae caf cak car cca ccc cce ccf cck ccr ce- cea cec cee cef cek cer cfa cfc cfe cff cfk cfr cka ckc cra crc cre crf crk crr eaa eac eae eaf eak ear ec- eca ecc ece ecf eck ecr eea eec eee eef eek eer ef- efa efc efe eff efr eka ekc eke ekf ekr era erc ere erf erk err faa fac fae faf fak far fca fcc fce fcf fck fcr fea fec fee fef fek fer ffa ffc ffe fff ffk ffr fka fkc fkf fkk fra frc fre frf frk frr ka- kaa kac kae kaf kak kar kca kcc kce kck kcr ke- kea kec kee kef kek ker kfa kfc kff kkc kke kkk kkr kra krc krf krk krr ra- raa rac rae raf rak rar rca rcc rce rcf rcr re- rea rec ree ref rek rer rfa rfc rfe rff rfk rfr rkc rke rkf rkk rra rrc rrf rrk rrr

a-ak aaaa aaac aaae aaaf aaar aaca aacc aace aacf aack aacr aaea aaec aafa aafc aaff aaka aake aara aarc aare acaa acac acae acar acca accc acce accf ace- acea acec acek acer acfc acfe acke acr- acra acrc acre acrr aeac aeaf aeer aeka aer- aera aerc afaa afak afar afca afcc afee afek afer affa affc afka afkr afr- afra afrc afre akaa akae akar akca akee aker akka akr- akra akre arac arae araf arak arar arc- arca arce area arec aree aref arek arfa arfc arff arka arke arr- arra arrc arre arrk arrr caaa caac caaf cac- caca cacc cace cack cacr caec caer cafa cafc cafe caff caka cake cara carc care carf cark carr ccaa ccac ccaf ccar ccca cccc cccf ccee ccfa ccfc ccff ccra ccrc ccre ccrf ceac cear cec- ceca cece ceec cef- cefa cefc ceke cer- cera cerc cere cerf cfaa cfac cfae cfar cfca cfcf cffr cfra cfre ckac ckck cker ckfr ckrc crac craf crar crca crcc crce crcr cre- crea crec cree crfc crkc eaaf eaca eacc eaec eara eare ecaa ecac ecar ecca eccc ecce ecef ecfa ecfc ecfr ecka ecra ecrc ecrf ecrr eeca eeea eeee eefa eefe eeka eeke eera eerc efca effa efke eka- ekek eker ekfc ekka eraf erca ercc erce erec erer erfc erke erra errc erre f--k faaa faac faca facc face fack fafa fafc fafe faff fake fara farc fare fark farr fcar fcca fccf fcra feaf feak fear fece feck feek feer fefc fefe feff feke fera ferc fere ferk ferr ffar ffcc ffee ffff ffrr frac frae frak frcc frea free frfc kaaa kaaf kaak kaar kacc kace kaer kafa kafc kafe kaff kafr kaka kakc kake kakk kara kare karf kark karr kcaa kcac kcar kcca kccc kcck kccr kcea kcec kcee kcfa kcfc kckc kckf kckk kckr kcrc kcrr kea- keak kear keca keck kecr keef keek keer kefa kefc keff kefr keka kekc keke ker- kera kerc kere kerf kerk kerr kfac kfar kfcf kfcr kfer kffa kfff kffk kfka kfra kfrc kfre kfrr kkaa kkac kkar kkck kkcr kkea kkfr kkkk kkrc kkre kkrf kkrk kkrr krac krae krak krar krca krcc krce krea krec kree kref krek krfc krfe krff krka krkc krke krkk krkr krrc krre krrf krrk krrr raaf raak rac- raca racc race rack raec raef raer rafa rafc rafe raff raka rake rakk rara rare rarf rark rcac rcaf rccc rcfc rea- reac reae reaf reak rear reca recc rece reck recr reef reek refe reff refr reka reke rera rere rfae rfef rffc rkkf rrfc rrrr

-aaa- aaace aaaee aaarc aaeaf aaker aakre acaca acack acake acar- acara acare accra aceae acera ackee acker acrea acree aeaea aface afara afare afcea afcec afear afefe afeka afere affer afree aka-e akare akce akera akker akkra akrak akrar ara-c araca arace arack araea arake arara arare arcae arcee areae arear areca areef areek areka areke arere arfe arkar arrak arrea c-a-c c-raf ca-ca caare cacak caec- caeca caere cafer caffa caffe cakra caraa carac carak carck carea carek carer carfe cark- carra carre ccccc ceace ceara ceare cearr cecka ceeac ceere cerae cerak cerc- cerca cerce cerea cerec cerer cerka cerke cerre crace crack craer crake crare creak crear crece creek creer creke eafre eaker earar ecara ecare ecker eecca eecke eeeee efare efere effer effra ekker erace ercea ereac erear erere erkak erkec facea facer facra faker farak farce farer farfa farke farre fcaca feake feare feere ferae ferce ferr- ferra ferre fface fraca frack frake frakk freak frear freck freea freek freer freke frera frere k-car kacar kacee kacer kaera kafak kafar kafer kaffa kaffe kafka kafra kakae kakar kakka kakke kakra karak karee karfe karka karre keare kecak kecer keefe keera keere kefee kekec kera- kerar kerek kerre kraak kraar krack kraka krake kreca kreef kreek kreka kreke ra-ra raack raaff racak race- racer racka raeff rafar rafer raffa raffe rakaa rakee rakek raker rakke rarae raraf raree rarer rccar reace reack reafe reake rear- recca recce recea recka recke reece reefa reefe reere refar refer reffe rekka rekke rere- reree

aakera accara acerae acerra ackack acrack acraea aeacea aerfer afeefa affear affeer affere affre akarca akeake akkare akraka araafa aracar aracke areare arfara arfarf arkaea arkera arrace arrack arrear arreca arrere cafcaf caffer caffre cakcak caraca carack carafa carafe carake carara carcar carcea carcer careca careck career careke carrea carrek carrer cecafa ceecee cerace craake cracca crack- cracka crafar craker crarae creaca crecca creeke crerar earake efacec efface effare effere ekkara errare errea fakara fakeer fakfak fakker faraar farara farcer farfar farrar fearer fecker ferace ferfer ferrar ferrea ferrer frafra freake freare