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aaaa aaac aaad aaae aaaf aaap aaar aaca aacc aacd aace aacf aacp aacr aada aadc aade aaea aaec aaep aafa aafc aafd aaff aapa aapc aara aarc aard aare aarp acaa acac acad acae acap acar acca accc accd acce accf accp acda acdc acde acdf acdp ace- acea acec aced acer acfc acfd acfe acpa acpd acpe acpr acr- acra acrc acre acrr adaa adac adad adae adap adar adcc adda addc addd adde addr adea adee ader adfa adfc adp- adra adre aeac aeaf aeap aede aeer aer- aera aerc aerd afaa afad afap afar afca afcc afdc afee afer affa affc afpa afpc afpe afr- afra afrc afre apac apap apar apca apcc apcd apcr apda apdd apea apec aped apep aper apfa apfc appa appc appd appr apra aprc apre arac arad arae araf arap arar arc- arca arce arda ardc arde ardf area arec ared aree aref arep arfa arfc arff arpa arpe arr- arra arrc arre arrr c-cd caaa caac caaf caap cac- caca cacc cace cacr cada cadc cadd cade cadr caec caer cafa cafc cafe caff capa capc capd cape capp cara carc card care carf carp carr ccaa ccac ccad ccaf ccap ccar ccca cccc cccf cccp ccdc ccdf ccdp ccdr cced ccee ccfa ccfc ccfd ccff ccpa ccpe ccpp ccpr ccra ccrc ccre ccrf ccrp cd-e cd-r cdaa cdac cdad cdda cddr cdec cdef cder cdfa cdfe cdre ceac cead cear cec- ceca cece cecp ceda cedd cede ceec cef- cefa cefc cepa cepc cepe cepp cepr cer- cera cerc cerd cere cerf cerp cfaa cfac cfae cfar cfca cfcf cfda cfdp cffr cfpa cfpr cfra cfre cfrp cpaa cpac cpad cpaf cpap cpca cpce cpea cpep cper cpff cppa cppd cpre crac craf crap crar crca crcc crce crcr crda crdc cre- crea crec cred cree crep crfc crpc daad daae daap daar daca dace dada dade daer dafa dafc dafe daff dapa dape dapp dara darc dard dare darf darp darr dcca dccc dccp dcfc dcra dddd ddrc ddre deac dead deae deaf deap dear dec- deca decc decd dece deda dedd dede deed deef deep deer defe deff depa depc depe depp depr der- dera derc dere derf derp derr dfaf dfcc dfer dffa dfrf dpaa dpac dpcp dper dppa dppc draa drac drad draf drap drar drca drda drea dred dree dref drfc drra eaaf eaca eacc eada eadd eadp eaec eapc eapp eara eard eare earp ecaa ecac ecad ecar ecca eccc ecce ecdc ecdf eced ecef ecfa ecfc ecfr ecpa ecpd ecpp ecra ecrc ecrf ecrr edac edad edar edca edda eddc edde eddp ede- edea eder edfa edra eeca eede eeea eeee eefa eefe eera eerc efca efda effa efpa epaa epac epad epcc epec epee eper epfa epfc eppa eppc eppp epra eprp erad eraf erap erca ercc erce ercp erda erde erdf erec ered erer erfc erpa erpe erra errc erre faaa faac faad faap faca facc face facp fada fadd fade fafa fafc fafe faff fapa fape fapp fara farc fard fare farp farr fcap fcar fcca fccf fccp fcda fcpa fcra fdca fead feaf feap fear fece feda fede feed feer fefc fefe feff fepa fepc fera ferc ferd fere ferr ffar ffcc ffee ffff ffrr fp-c fpaa fpcc fpda fpra fprf frac frad frae frap frcc frcp frea fred free frep frfc frpd paap paar paca pacd pace pada padd pade paea paec paep paer pafa pafc pafe paff papa pape papp papr par- para parc pard pare parf parp parr pcaa pcad pcae pcaf pcap pcca pccc pcce pcea pcep pcer pcfc pcpp pcra pcrc pcrd pcre pcrf pdac pdaf pdca pdcp pdea pdfa pdpa pdpr pdrc peac peap pear peca pece pecr ped- peda pede pedf peec peed peep peer pefc peff pepa pepd pepe per- pera perc