-vac aaaa aaac aaar aaav aaca aacc aacr aact aacu aacv aara aarc aart aaru aata aatc aatt aava ac-t acaa acac acar acat acca accc acct accu acr- acra acrc acrr acrv acta actc actt actu actv acu- acur acut acvv arac arar arat arau arc- arca arct arr- arra arrc arrr arrt arru arta artc artr artv arua arut arva at-t ataa atac atar atat atca atcc atcr atra atrc atru atta attr attu atua atuc atur auaa auca auct aur- aura aut- avar avat avcc avra avur avva caaa caac caat cac- caca cacc cacr cara carc carr cart cat- cata catc catt catu catv cauc caut cava cavu ccaa ccac ccar ccat ccca cccc cccu cccv ccra ccrc ccrt cctc cctt cctv ccuc ccut crac crar crat crau crca crcc crcr crrt crtc crtv crut ctca ctrc ctta ctvt cuau cuca cucc cura curr curt cut- cuta cutc cutt cutv cvac cvar cvca cvcc cvra cvrr raat rac- raca racc ract racu racv rara rata ratt ratu raua rauc raut rava rcac rccc rctc rctv rcuv rcvr rrat rrrr rtca rtcc rtva ruca ruct rura rurc ruru ruta rutt rutu ruvu rv-c rvca taa- taar taat taca tacc tact tacv tara tarc tarr tart taru tata tatr tatt tatu tatv taua tauc taur taut tava tcca tccc tccu tctc traa trac trat trau trav trca trcc trra trtc trtr truc trut truu tttt tuar tuat tuca tucc tura turc turr turt turu tuta tutt tutu tuva tvac tvrr tvtv uaca uarc uart uaru uata uatu uatv uaua ucar ucat ucav ucca ucrc uctv ucua ucut urac urat urau urca urra urur urut urva utac utau uttu uuta uuuu uv-a uv-c uvaa uvac uvat uvvu vaar vaat vaca vara varr vart varu vata vatt vatu vaut vava vcat vrac vrav vtac vuca vurt vutv vvvv