-vac aaaa aaac aaae aaap aaav aaca aacc aace aaco aacp aact aacv aaea aaec aaep aaev aaoe aaoo aapa aapc aapo aapt aata aatc aatt aava ac-t acaa acac acae acap acat acca accc acce acco accp acct ace- acea acec acet acev acoa acoe acop acot acpa acpe acpt acta actc acte acto actt actv acvv aeac aeap aect aeta aetc aeto aett aeva aoca aoce aopo aotc apac apao apap apat apca apcc apco apea apec apep apet apev apo- apoc apoe apoo apop apot appa appc appt apta aptc apte aptt aptv at-t ataa atac atae atap atat atca atcc atco atea atec atee ateo atep atoc atoe atop atot atta atte atto attp avao avat avcc avce avco avea avec aveo avot avva avvo caaa caac caap caat cac- caca cacc cace caco caec capa capc cape capo capp capt cat- cata catc cate cato catt catv cava cave cavo ccaa ccac ccap ccat ccca cccc cccp cccv ccee ccoc ccpa ccpe ccpp cctc cctt cctv ccvo ceac ceat cec- ceca cece ceco cecp cect ceec ceop cepa cepc cepe cepo cepp cept cet- ceta cete ceto cetp cetv ceva cevo coat coca coce coco cocp coct coep coop coot copa cope copo copp copt cota cotc cote coto cott cova cove covo cpaa cpac cpap cpca cpce cpea cpep cppa cptp cpvc cpvt ctae ctca ctcp ctec ctep ctot ctpo ctpp ctta ctvo ctvt cvac cvca cvcc cvet cvte eaca eacc eaec eaop eapc eapp eata eate eave eavp ecaa ecac ecao ecat ecca eccc ecce ecco ecct eco- ecop ecot ecpa ecpp ect- ecta ectc ecto ectv eeca eeea eeee eeoc eeta eetc eete eeva eota eotc eoto epaa epac epcc epec epee epoc epot eppa eppc eppo eppp epta epte eptv etap etat etcc etco etec etee etoe etta ette etto etvo evac evae evap evat evea evet evoe evoo evop o-eo oate ocac ocap ocat occa occc occt oce ocee ocet ocpa ocpp oct- octa octe octo oec- oeca oecc oeec oepa oeta oevp ooaa oooo ootp opap opca opec opep opet opo- oppa oppo opto otac otap otea otee otep oto- otoe otoo otov otpp otta otte otto ovee ovet ovo- ovoo ovot ovpp paap paat paca pace paco pact paea paec paep paoc papa pape papp pata pate pato patt pava pave pavo pcaa pcae pcap pcca pccc pcce pcea pcep pcoa pcoe pcpp pcte pctv peac peap peat peca pece peco pect peec peep peet peev pepa pepe pepo peta pete peto pett poat poca poce poco poea poet poop poot pop- popa popc pope popo popp popt pota potc pote poto pott povo ppac ppap ppcc ppoa pppa pppo pppp ppta pptt pptv ptca ptcc ptop pttc pvco pvpa taa- taat taca tacc tace taco tact tacv taec taoa tapa tape tapo tapp tapt tata tate tato tatt tatv tava tave tavo tcap tcca tccc tcep tcov tcpa tcpo tctc teac teat teca teco tect teec teet teev tepa tepe tepp teta tete teto tett teva toat toca toce toco toea toee toet tooa toot top- topa tope topo topp topt topv tota totc tote toto tott tova tove tovo tpac tpap tpcp tppa tppp tpte tptp ttcp tteo ttoe ttop tttt tvac tvpa tvtv vaat vaca vace vaco vapa vape vata vate vato vatt vava vcat veat vecc veep veet vepe veta vete veto veve vevo voat voca voce voet vooc voot vopt vota vote voto votp vpat vtac vtap vtec vvvv