-vac aaaa aaac aaar aaas aaav aaca aacc aacr aacs aact aacv aara aarc aars aart aasa aasc aass aast aata aatc aatt aava ac-t acaa acac acar acas acat acca accc accs acct acr- acra acrc acrr acrs acrv acsa acsc acss acst acta actc acts actt actv acvs acvv arac arar aras arat arc- arca arcs arct arr- arra arrc arrr arrs arrt ars- arsa arsc arst arta artc artr arts artv arva asaa asac asar asas asat asc- asca ascc ascr asct asra asrc asrs assa assc assr asss asst asta astc astr asts astv asva asvs at-t ataa atac atar atas atat atca atcc atcr atcs atra atrc atsc atst atta attr atts atvs avar avas avat avcc avra avst avva caaa caac caas caat cac- caca cacc cacr cara carc carr cars cart casa casc casr cass cast cat- cata catc cats catt catv cava cavs ccaa ccac ccar ccas ccat ccca cccc cccs cccv ccra ccrc ccrs ccrt ccsa ccss ccst cctc cctt cctv ccvs crac crar cras crat crca crcc crcr crrt crsa crss crst crtc crts crtv csaa csac csar csas csat csav cscc cscr cscs csra csrc csrs cssa cssr csta cstc cstr csts ctca ctrc ctrs ctsa ctsc ctss ctta ctts ctvt cvac cvar cvas cvca cvcc cvra cvrr cvss raas raat rac- raca racc racs ract racv rara rars rasa rasc rass rast rata rats ratt rava rcac rcas rccc rccs rcsa rcsc rcss rctc rcts rctv rcvr rcvs rras rrat rrrr rsaa rscc rscs rssa rsts rtas rtca rtcc rtss rtts rtva rv-c rvca s-vt sa-c saac saar saas saat saca sacc sacr sacs sact sara sarc sarr sars sart sarv sasa sasc sass sast sata satc satr sats satt sava savs scaa scac scar scas scat sccc sccs scct scr- scra scrc scrs scsa scsc scsr scst sctc sctr scts sctv sras srcc srct srta srtr srtv ssaa ssac ssas ssat ssca sscc sscs ssra ssrc ssrs sssa sssc ssss ssta sstc ssts st-v stac star stas stat stca stcc stcs stra strc strs stss sttc sttr stvs svar svcc svcs svsc svtr taa- taar taas taat taca tacc tacs tact tacv tara tarc tarr tars tart tasa tasc tasr tass tast tata tatr tats tatt tatv tava tavs tcca tccc tctc tcts traa trac tras trat trav trca trcc trra trst trtc trtr trvs tsaa tsar tsat tsav tsca tscc tssa tssr tsst tstc tsts ttss tttt tvac tvrr tvsa tvss tvtv vaar vaas vaat vaca vacs vara varr vars vart vas- vasa vass vast vata vats vatt vava vavs vcat vcrs vrac vras vrav vrsa vssc vsta vtac vtrs vvvv