a-ak a-ok aaaa aaac aaae aaaf aaap aaar aaca aacc aace aacf aack aaco aacp aacr aaea aaec aaep aafa aafc aaff aaka aake aaoe aaoo aapa aapc aapo aara aarc aare aaro aarp acaa acac acae acap acar acca accc acce accf acco accp ace- acea acec acek acer acfc acfe acke acoa acoe acop acor acpa acpe acpr acr- acra acrc acre acro acrr aeac aeaf aeap aeer aeka aer- aera aerc aero afaa afak afao afap afar afca afcc afee afek afer affa affc affo afka afkr afoa afoe afoo afor afpa afpc afpe afr- afra afrc afre afro akaa akae akao akap akar akca akee aker akka akko akok akpo akr- akra akre aoca aoce aokp aopo aora apac apak apao apap apar apca apcc apco apcr apea apec apep aper apfa apfc apfo apke apo- apoc apoe apof apoo apop apor appa appc appr apra aprc apre apro arac arae araf arak arap arar arc- arca arce arco area arec aree aref arek areo arep arfa arfc arff arka arke arko aroa aroe aroo aror arpa arpe arr- arra arrc arre arrk arro arrr caaa caac caaf caap cac- caca cacc cace cack caco cacr caec caer cafa cafc cafe caff caka cake caor capa capc cape capo capp cara carc care carf cark caro carp carr ccaa ccac ccaf ccap ccar ccca cccc cccf cccp ccee ccfa ccfc ccff ccoc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrf ccrp ceac cear cec- ceca cece ceco cecp ceec cef- cefa cefc ceke ceop ceor cepa cepc cepe cepo cepp cepr cer- cera cerc cere cerf cero cerp cfaa cfac cfae cfao cfar cfca cfcf cfco cffr cfoa cfor cfpa cfpo cfpr cfra cfre cfrp ckac ckck ckco cker ckfr ckoa ckoc ckoo ckor ckpc ckpr ckrc coak coca coce cock coco cocp coep cofc cofe coff cok- coka coke coko coof cook coop copa cope copo copp copr cor- cora corc core corf cork coro corp corr cpaa cpac cpaf cpap cpca cpce cpea cpep cper cpff cppa cpre crac craf crap crar crca crcc crce crcr cre- crea crec cree creo crep crfc crkc crkp croc croe crok croo crop cror crpc eaaf eaca eacc eaec eaop eapc eapp eara eare earo earp ecaa ecac ecao ecar ecca eccc ecce ecco ecef ecfa ecfc ecfr ecka ecko eco- ecop ecpa ecpp ecra ecrc ecrf ecrr eeca eeea eeee eefa eefe eeka eeke eeoc eera eerc eero efca efco efeo effa efke efor efpa eka- ekco ekek eker ekfc ekka ekoa ekpe ekpo eoka eora eore epaa epac epcc epec epee eper epfa epfc epoc epor eppa eppc eppo eppp epra epro eprp eraf erap erca ercc erce ercp erec erer erfc erke eroc eroe eroo erpa erpe erra errc erre erro f--k faaa faac faap faca facc face fack facp fafa fafc fafe faff fafo fake fako fapa fape fapp fara farc fare fark faro farp farr fcap fcar fcca fccf fccp fcpa fcra feaf feak feap fear fece feck feek feer fefc fefe feff fefo feke feko feof fepa fepc fera ferc fere ferk fero ferr ffar ffcc ffee ffff ffrr foaf foak foar foca foce fock foco foer fofo foke foof fook fopp for- fora fore fork foro forr fp-c fpaa fpcc fpra fprf frac frae frak frap frcc frcp frea free freo frep frfc froe frop kaaa kaaf kaak kaap kaar kacc kace kaco kacp kaeo kaep kaer kafa kafc kafe kaff kafp kafr kaka kakc kake kakk kako kaoa kaoc kaok kaor kap- kapa kapc kape kapf kapo kapp kara kare karf kark karo karp karr kcaa kcac kcap kcar kcca kccc kcck kccr kcea kcec kcee kceo kcep kcfa kcfc kcfo kcfp kckc kckf kckk kcko kckr kcoe kcof kcor kcpa kcpc kcpo kcpr kcrc kcro kcrp kcrr kea- keak keap kear keca keck keco kecr keef keek keep keer kefa kefc keff kefr keka kekc keke keko keok kep- kepa kepc kepe ker- kera kerc kere kerf kerk kero kerp kerr kfac kfar kfcf kfco kfcr kfer kffa kfff kffk kfka kfok kfoo kfor kfpr kfra kfrc kfre kfro kfrp kfrr kkaa kkac kkap kkar kkck kkco kkcr kkea kkfr kkkk kkoa kkoo kkor kkpc kkpk kkrc kkre kkrf kkrk kkro kkrr koac koae koak koap koar koca kocf kock kocp koea kofa kofc kofe koff kofk kofo kofp koka kokc koke kokf kokk koko kokp kokr kooc kook kooo koop koor kopa kope kopf kopp kopr kora korc kore korf kork koro korr kpac kpae kpak kpao kpar kpcc kpcr kpek kper kpfa kpfc kpfk kpfr kpke kpkk kpkr kpoa kpoc kpoe kpof kpok kpoo kpop kppc kppk kppo kppp kppr kprc kpre kprf kprk kpro kprp kprr krac krae krak krap krar krca krcc krce krco krea krec kree kref krek kreo krfc krfe krff krfo krfp krka krkc krke krkk krko krkr kroa kroc kroe krof krok kroo krop kror krpa krpr krrc krre krrf krrk krro krrr o-eo oaer oafc oafo oake oara oare ocac ocak ocap occa occc oce ocee ocef ocfa ocfp ocke ocpa ocpp ocra ocre ocro ocrr oec- oeca oecc oeec oepa oera oere ofcr ofek ofer off- offa offc offe offo offr ofor ofra ofre okak okap oker okka okko okok okor okpe okpo okra okre okro ooaa ooak oocr ooer ooff oooo oora oore opap opar opca opec opep oper opo- opor oppa oppo opra orac orae orak orao orar orca orce orco ore- orea orec orek oreo orer orfe orff orka orke orko oro- oroe orof orok oror orpc orpe orra orro paak paap paar paca pace pack paco paea paec paep paer pafa pafc pafe paff paka pake pako paoc papa pape papp papr par- para parc pare parf park paro parp parr pcaa pcae pcaf pcap pcca pccc pcce pcea pcep pcer pcfc pcoa pcoe pcpp pcra pcrc pcre pcrf peac peak peap pear peca pece peck peco pecr peec peek peep peer pefc peff