-vac a-ak a-ok aaaa aaac aaae aaap aaav aaca aacc aace aack aaco aacp aacv aaea aaec aaep aaev aaka aake aaoe aaoo aapa aapc aapo aava acaa acac acae acap acca accc acce acco accp ace- acea acec acek acev acke acoa acoe acop acpa acpe acvv aeac aeap aeka aeva akaa akae akao akap akca akee akka akko akok akpo aoca aoce aokp aopo apac apak apao apap apca apcc apco apea apec apep apev apke apo- apoc apoe apoo apop appa appc avao avcc avce avco avea avec aveo avva avvo caaa caac caap cac- caca cacc cace cack caco caec caka cake capa capc cape capo capp cava cave cavo ccaa ccac ccap ccca cccc cccp cccv ccee ccoc ccpa ccpe ccpp ccvo ceac cec- ceca cece ceco cecp ceec ceke ceop cepa cepc cepe cepo cepp ceva cevo ckac ckck ckco ckcv ckoa ckoc ckoo ckpc ckvo coak coca coce cock coco cocp coep cok- coka coke coko cook coop copa cope copo copp cova cove covo cpaa cpac cpap cpca cpce cpea cpep cppa cpvc cvac cvca cvcc eaca eacc eaec eaop eapc eapp eave eavp ecaa ecac ecao ecca eccc ecce ecco ecka ecko eco- ecop ecpa ecpp eeca eeea eeee eeka eeke eeoc eeva eka- ekco ekek ekka ekoa ekpe ekpo eoka epaa epac epcc epec epee epoc eppa eppc eppo eppp evac evae evap evea evoe evoo evop evvk kaaa kaak kaap kacc kace kaco kacp kacv kaeo kaep kaka kakc kake kakk kako kaoa kaoc kaok kap- kapa kapc kape kapo kapp kava kave kavo kavp kavv kcaa kcac kcap kcav kcca kccc kcck kccv kcea kcec kcee kceo kcep kckc kckk kcko kckv kcoe kcpa kcpc kcpo kcvk kcvo kcvp kcvv kea- keak keap keca keck keco keek keep keka kekc keke keko keok kep- kepa kepc kepe keva keve kkaa kkac kkap kkck kkco kkea kkkk kkoa kkoo kkov kkpc kkpk kkvv koac koae koak koap koca kock kocp koea koka kokc koke kokk koko kokp kooc kook kooo koop koov kopa kope kopp kova kovc kove kovk kovo kpac kpae kpak kpao kpcc kpcv kpek kpke kpkk kpoa kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kppv kpvc kvak kvcc kvce kvck kvco kvcv kvea kvec kvoa kvoc kvoe kvok kvoo kvop kvov kvvp kvvv o-eo oake ocac ocak ocap occa occc oce ocee ocke ocpa ocpp oec- oeca oecc oeec oepa oevp okak okap okka okko okok okpe okpo ooaa ooak oooo opap opca opec opep opo- oppa oppo ovee ovo- ovoo ovpp paak paap paca pace pack paco paea paec paep paka pake pako paoc papa pape papp pava pave pavo pcaa pcae pcap pcca pccc pcce pcea pcep pcoa pcoe pcpp peac peak peap peca pece peck peco peec peek peep peev peka peke pekk peko pepa pepe pepo poak poca poce pock poco poea poka poke poko pook poop pop- popa popc pope popo popp povo ppac ppap ppcc ppoa pppa pppo pppp pvco pvpa vaca vace vack vaco vaka vake vapa vape vava veak vecc veck veep veka veke vepe veve vevo voca voce voka voke vooc vovk vvvv