-vac aaaa aaac aaae aaap aaar aaav aaca aacc aace aacp aacr aacv aaea aaec aaep aaev aapa aapc aara aarc aare aarp aava acaa acac acae acap acar acca accc acce accp ace- acea acec acer acev acpa acpe acpr acr- acra acrc acre acrr acrv acvv aeac aeap aeer aer- aera aerc aeva apac apap apar apca apcc apcr apea apec apep aper apev appa appc appr apra aprc apre arac arae arap arar arc- arca arce area arec aree arep arev arpa arpe arr- arra arrc arre arrr arva arve avar avcc avce avea avec aver avra avre avva caaa caac caap cac- caca cacc cace cacr caec caer capa capc cape capp cara carc care carp carr cava cave ccaa ccac ccap ccar ccca cccc cccp cccv ccee ccpa ccpe ccpp ccpr ccra ccrc ccre ccrp ceac cear cec- ceca cece cecp ceec cepa cepc cepe cepp cepr cer- cera cerc cere cerp ceva cpaa cpac cpap cpca cpce cpea cpep cper cppa cpre cpvc crac crap crar crca crcc crce crcr cre- crea crec cree crep crpc cvac cvar cvca cvcc cver cvra cvrr eaca eacc eaec eapc eapp eara eare earp eave eavp ecaa ecac ecar ecca eccc ecce ecpa ecpp ecra ecrc ecrr ecrv eeca eeea eeee eera eerc eeva epaa epac epcc epec epee eper eppa eppc eppp epra eprp erap erca ercc erce ercp erec erer erev erpa erpe erra errc erre erve evac evae evap evar evea ever evra evre paap paar paca pace paea paec paep paer papa pape papp papr par- para parc pare parp parr parv pava pave pcaa pcae pcap pcca pccc pcce pcea pcep pcer pcpp pcra pcrc pcre peac peap pear peca pece pecr peec peep peer peev pepa pepe per- pera perc pere perp perr perv ppac ppap ppar ppcc pper pppa pppp pprc prae prar prca prcc prcp pre- prec pree prep prev pvpa rac- raca racc race racv raec raep raer rapa rapc rape rapp rara rare rava rave rcac rccc rcep rcvr rea- reac reae reap rear reca recc rece recp recr reep reev repe repp repr rera rere reva reve revp rpca rrrr rv-c rvca rver vaar vaca vace vapa vape vara vare varp varr vava vear vecc veep veer vepe vepr ver- vera vere veve vrac vrap vrav vver vvvv