-vac aaaa aaac aaae aaar aaav aaca aacc aace aacr aact aacv aaea aaec aaev aara aarc aare aart aata aatc aatt aava ac-t acaa acac acae acar acat acca accc acce acct ace- acea acec acer acet acev acr- acra acrc acre acrr acrv acta actc acte actt actv acvv aeac aect aeer aer- aera aerc aeta aetc aetr aett aeva arac arae arar arat arc- arca arce arct area arec aree aret arev arr- arra arrc arre arrr arrt arta artc arte artr artv arva arve at-t ataa atac atae atar atat atca atcc atcr atea atec atee ater atra atrc atre atta atte attr avar avat avcc avce avea avec aver avra avre avva caaa caac caat cac- caca cacc cace cacr caec caer cara carc care carr cart cat- cata catc cate catt catv cava cave ccaa ccac ccar ccat ccca cccc cccv ccee ccra ccrc ccre ccrt cctc cctt cctv ceac cear ceat cec- ceca cece cect ceec cer- cera cerc cere cert cet- ceta cete cetv ceva crac crar crat crca crcc crce crcr cre- crea crec cree cret crrt crtc crtv ctae ctca ctec ctrc ctta ctvt cvac cvar cvca cvcc cver cvet cvra cvrr cvte eaca eacc eaec eara eare eart eata eate eave ecaa ecac ecar ecat ecca eccc ecce ecct ecra ecrc ecrr ecrv ect- ecta ectc ectv eeca eeea eeee eera eerc eeta eetc eete eeva erat erca ercc erce erec erer eret erev erra errc erre erta erve etat etcc etec etee eter etra etre etta ette evac evae evar evat evea ever evet evra evre raat rac- raca racc race ract racv raec raer rara rare rata rate ratt rava rave rcac rccc rcet rctc rctv rcvr rea- reac reae rear reat reca recc rece recr rect reet reev rera rere rert reta rete retr rett reva reve rrat rrrr rtca rtcc rtce rtee rtva rtve rv-c rvca rver taa- taar taat taca tacc tace tact tacv taec taer tara tarc tare tarr tart tata tate tatr tatt tatv tava tave tcca tccc tctc teac tear teat teca tecr tect teec teer teet teev ter- tera terc tere terr teta tete tetr tett teva traa trac trae trat trav trca trcc tre- trea trec tree tret trev trra trtc trte trtr tter tttt tvac tver tvrr tvtv vaar vaat vaca vace vara vare varr vart vata vate vatt vava vcat vear veat vecc veer veet ver- vera vere vert veta vete vetr veve vrac vrav vret vtac vtec vver vvvv