-vac aaaa aaac aaae aaar aaav aaca aacc aace aacr aact aacu aacv aaea aaec aaev aara aarc aare aart aaru aata aatc aatt aava ac-t acaa acac acae acar acat acca accc acce acct accu ace- acea acec acer acet acev acr- acra acrc acre acrr acrv acta actc acte actt actu actv acu- acue acur acut acvv aeac aect aeer aer- aera aerc aeta aetc aetr aett aeva arac arae arar arat arau arc- arca arce arct area arec aree aret areu arev arr- arra arrc arre arrr arrt arru arta artc arte artr artv arua arue arut arva arve at-t ataa atac atae atar atat atca atcc atcr atea atec atee ater atra atrc atre atru atta atte attr attu atua atuc atur auaa auca auce auct auer aur- aura aure aut- aute auve avar avat avcc avce avea avec aver aveu avra avre avur avva caaa caac caat cac- caca cacc cace cacr caec caer caeu cara carc care carr cart cat- cata catc cate catt catu catv cauc caut cava cave cavu ccaa ccac ccar ccat ccca cccc cccu cccv ccee ccra ccrc ccre ccrt cctc cctt cctv ccuc ccut ceac cear ceat cec- ceca cece cect ceec cer- cera cerc cere cert cet- ceta cete cetv ceva crac crar crat crau crca crcc crce crcr cre- crea crec cree cret creu crrt crtc crtv crue crut ctae ctca ctec ctrc ctta ctvt cuau cuca cucc cuce cuer cura cure curr curt cut- cuta cutc cute cutt cutv cuve 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 ecru ecrv ect- ecta ectc ectv ecua eeca eeea eeee eera eerc eeta eetc eete eetu eeva erat erau erca ercc erce erec erer eret erev erra errc erre erta ertu erua eruc erur eruv erve etat etcc etec etee eter etra etre etta ette ettu etua euer eur- eura eurc eure eurt evac evae evar evat evea ever evet evra evre raat rac- raca racc race ract racu racv raec raer rara rare rata rate ratt ratu raua rauc raue raut rava rave rcac rccc rcet rctc rctv rcuv rcvr rea- reac reae rear reat reau reca recc rece recr rect recu reet reev rera rere rert reru reta rete retr rett reue reut reuu reva reve rrat rrrr rtca rtcc rtce rtee rtva rtve ruca ruce ruct ruer ruet rura rurc rure ruru ruta rute rutt rutu ruve ruvu rv-c rvca rver taa- taar taat taca tacc tace tact tacv taec taer tara tarc tare tarr tart taru tata tate tatr tatt tatu tatv taua tauc taue taur taut tava tave tcca tccc tccu tctc teac tear teat teca tecr tect teec teer teet teev ter- tera terc tere terr teru teta tete tetr tett tetu teut teva traa trac trae trat trau trav trca trcc tre- trea trec tree tret treu trev trra trtc trte trtr truc true trut truu tter tttt tuae tuar tuat tuca tucc tuer tuet tura turc ture turr turt turu tuta tute tutt tutu tuva tvac tver tvrr tvtv uaca uarc uart uaru uata uatu uatv uaua ucar ucat ucav ucca ucea ucrc uctv ucua ucut urac urat urau urca ure- urea uret urra urre urte urur urut urva urve utac utau utec uter uttu uuta uuuu uv-a uv-c uvaa uvac uvae uvat uvea uver uvvu vaar vaat vaca vace vara vare varr vart varu vata vate vatt vatu vaut vava vcat vear veat veau vecc veer veet ver- vera vere vert veta vete vetr veur veve vrac vrav vret vtac vtec vuca vurt vutv vver vvvv