a-ak aaaa aaac aaad aaae aaap aaar aaca aacc aacd aace aack aacp aacr aada aadc aade aaea aaec aaep aaka aake aapa aapc aara aarc aard aare aarp acaa acac acad acae acap acar acca accc accd acce accp acda acdc acde acdp ace- acea acec aced acek acer ackd acke acpa acpd acpe acpr acr- acra acrc acre acrr adaa adac adad adae adak adap adar adcc adda addc addd adde addr adea adee ader adp- adra adre aeac aeap aede aeer aeka aer- aera aerc aerd akaa akae akap akar akca aked akee aker akka akr- akra akre apac apak apap apar apca apcc apcd apcr apda apdd apea apec aped apep aper apke appa appc appd appr apra aprc apre arac arad arae arak arap arar arc- arca arce arda ardc arde area arec ared aree arek arep arka arke arpa arpe arr- arra arrc arre arrk arrr c-cd caaa caac caap cac- caca cacc cace cack cacr cada cadc cadd cade cadr caec caer caka cake capa capc capd cape capp cara carc card care cark carp carr ccaa ccac ccad ccap ccar ccca cccc cccp ccdc ccdp ccdr cced ccee ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp cd-e cd-r cdaa cdac cdad cdda cddr cdec cder cdre ceac cead cear cec- ceca cece cecp ceda cedd cede ceec ceke cepa cepc cepe cepp cepr cer- cera cerc cerd cere cerp ckac ckck cker ckpc ckpr ckrc ckrd cpaa cpac cpad cpap cpca cpce cpea cpep cper cppa cppd cpre crac crap crar crca crcc crce crcr crda crdc cre- crea crec cred cree crep crkc crkp crpc daad daae daap daar daca dace dada dade daer daka dake dapa dape dapp dara darc dard dare dark darp darr dcca dccc dccp dcra dcrk dddd ddrc ddre deac dead deae deak deap dear dec- deca decc decd dece deck deda dedd dede deed deek deep deer dek- deka deke depa depc depe depp depr der- dera derc dere derk derp derr dkdc dpaa dpac dpcp dper dppa dppc dprk draa drac drad drak drap drar drca drda drea dred dree drek drra eaca eacc eada eadd eadp eaec eapc eapp eara eard eare earp ecaa ecac ecad ecar ecca eccc ecce ecdc eced ecka ecpa ecpd ecpp ecra ecrc ecrr edac edad edar edca edda eddc edde eddp ede- edea eder edra eeca eede eeea eeee eeka eeke eera eerc eka- eked ekek eker ekka ekpe epaa epac epad epcc epec epee eper eppa eppc eppp epra eprp erad erap erca ercc erce ercp erda erde erec ered erer erke erpa erpe erra errc erre kaaa kaak kaap kaar kacc kacd kace kacp kad- kada kadd kade kadr kaep kaer kaka kakc kake kakk kap- kapa kapc kape kapp kara kard kare kark karp karr kcaa kcac kcad kcap kcar kcca kccc kccd kcck kccr kcda kcdc kcdd kcdr kcea kcec kced kcee kcep kckc kckk kckr kcpa kcpc kcpr kcrc kcrp kcrr kdaa kdac kdad kdae kdak kdap kdar kdca kdcc kdcd kdce kdcr kddc kddd kddk kddr kdec kdep kdka kdkd kdkk kdkr kdpr kea- kead keak keap kear keca keck kecr keda kedc kedd kede kedp kedr keed keek keep keer keka kekc keke kep- kepa kepc kepd kepe ker- kera kerc kere kerk kerp kerr kkaa kkac kkap kkar kkcd kkck kkcr kkda kkdc kkdd kkea kked kkkk kkpc kkpk kkrc kkre kkrk kkrr kpac kpad kpae kpak kpar kpcc kpcr kpda kpdc kpdr kpek kper kpke kpkk kpkr kppc kppd kppk kppp kppr kprc kprd kpre kprk kprp kprr krac krad krae krak krap krar krca krcc krcd krce krda krdc krdd krde krdr krea krec kred kree krek krka krkc krkd krke krkk krkr krpa krpr krrc krre krrk krrr paak paap paar paca pacd pace pack pada padd pade paea paec paep paer paka pake papa pape papp papr par- para parc pard pare park parp parr pcaa pcad pcae pcap pcca pccc pcce pcea pcep pcer pcpp pcra pcrc pcrd pcre pdac pdca pdcp pdea pdpa pdpr pdrc peac peak peap pear peca pece peck pecr ped- peda pede peec peed peek peep peer peka peke pekk pepa pepd pepe per- pera perc perd pere perk perp perr ppac ppad ppap ppar ppcc ppcd ppdk pper pppa pppd pppp pprc prad prae prar prca prcc prcd prcp pre- prec pred pree prek prep prpd prrd raad raak rac- raca racc race rack rada radc radd rade radr raec raed raep raer raka rake rakk rapa rapc rapd rape rapp rara rare rark rcac rccc rcdc rcde rcep rcpd rcrd rdac rdap rder rdpc rea- reac read reae reak reap rear reca recc recd rece reck recp recr reda redc redd rede redr reed reek reep reka reke repe repp repr rera rerd rere rpca rpdp rrad rred rrrr