a-ak a-ok aaaa aaac aaae aaaf aaap aaca aacc aace aacf aack aaco aacp aaea aaec aaep aafa aafc aaff aaka aake aaoe aaoo aapa aapc aapo acaa acac acae acap acca accc acce accf acco accp ace- acea acec acek acfc acfe acke acoa acoe acop acpa acpe aeac aeaf aeap aeka afaa afak afao afap afca afcc afee afek affa affc affo afka afoa afoe afoo afpa afpc afpe akaa akae akao akap akca akee akka akko akok akpo aoca aoce aokp aopo apac apak apao apap apca apcc apco apea apec apep apfa apfc apfo apke apo- apoc apoe apof apoo apop appa appc caaa caac caaf caap cac- caca cacc cace cack caco caec cafa cafc cafe caff caka cake capa capc cape capo capp ccaa ccac ccaf ccap ccca cccc cccf cccp ccee ccfa ccfc ccff ccoc ccpa ccpe ccpp ceac cec- ceca cece ceco cecp ceec cef- cefa cefc ceke ceop cepa cepc cepe cepo cepp cfaa cfac cfae cfao cfca cfcf cfco cfoa cfpa cfpo ckac ckck ckco ckoa ckoc ckoo ckpc coak coca coce cock coco cocp coep cofc cofe coff cok- coka coke coko coof cook coop copa cope copo copp cpaa cpac cpaf cpap cpca cpce cpea cpep cpff cppa eaaf eaca eacc eaec eaop eapc eapp ecaa ecac ecao ecca eccc ecce ecco ecef ecfa ecfc ecka ecko eco- ecop ecpa ecpp eeca eeea eeee eefa eefe eeka eeke eeoc efca efco efeo effa efke efpa eka- ekco ekek ekfc ekka ekoa ekpe ekpo eoka epaa epac epcc epec epee epfa epfc epoc eppa eppc eppo eppp f--k faaa faac faap faca facc face fack facp fafa fafc fafe faff fafo fake fako fapa fape fapp fcap fcca fccf fccp fcpa feaf feak feap fece feck feek fefc fefe feff fefo feke feko feof fepa fepc ffcc ffee ffff foaf foak foca foce fock foco fofo foke foof fook fopp fp-c fpaa fpcc kaaa kaaf kaak kaap kacc kace kaco kacp kaeo kaep kafa kafc kafe kaff kafp kaka kakc kake kakk kako kaoa kaoc kaok kap- kapa kapc kape kapf kapo kapp kcaa kcac kcap kcca kccc kcck kcea kcec kcee kceo kcep kcfa kcfc kcfo kcfp kckc kckf kckk kcko kcoe kcof kcpa kcpc kcpo kea- keak keap keca keck keco keef keek keep kefa kefc keff keka kekc keke keko keok kep- kepa kepc kepe kfac kfcf kfco kffa kfff kffk kfka kfok kfoo kkaa kkac kkap kkck kkco kkea kkkk kkoa kkoo kkpc kkpk koac koae koak koap koca kocf kock kocp koea kofa kofc kofe koff kofk kofo kofp koka kokc koke kokf kokk koko kokp kooc kook kooo koop kopa kope kopf kopp kpac kpae kpak kpao kpcc kpek kpfa kpfc kpfk kpke kpkk kpoa kpoc kpoe kpof kpok kpoo kpop kppc kppk kppo kppp o-eo oafc oafo oake ocac ocak ocap occa occc oce ocee ocef ocfa ocfp ocke ocpa ocpp oec- oeca oecc oeec oepa ofek off- offa offc offe offo okak okap okka okko okok okpe okpo ooaa ooak ooff oooo opap opca opec opep opo- oppa oppo paak paap paca pace pack paco paea paec paep pafa pafc pafe paff paka pake pako paoc papa pape papp pcaa pcae pcaf pcap pcca pccc pcce pcea pcep pcfc pcoa pcoe pcpp peac peak peap peca pece peck peco peec peek peep pefc peff peka peke pekk peko pepa pepe pepo pfaa pfce pfff pfkp poak poca poce pock poco poea poff poka poke poko poof pook poop pop- popa popc pope popo popp ppac ppap ppcc ppfa ppoa pppa pppo pppp