-vac aaaa aaac aaas aaav aaca aacc aacs aact aacv aasa aasc aass aast aata aatc aatt aava ac-t acaa acac acas acat acca accc accs acct acsa acsc acss acst acta actc acts actt actv acvs acvv asaa asac asas asat asc- asca ascc asct assa assc asss asst asta astc asts astv asva asvs at-t ataa atac atas atat atca atcc atcs atsc atst atta atts atvs avas avat avcc avst avva caaa caac caas caat cac- caca cacc casa casc cass cast cat- cata catc cats catt catv cava cavs ccaa ccac ccas ccat ccca cccc cccs cccv ccsa ccss ccst cctc cctt cctv ccvs csaa csac csas csat csav cscc cscs cssa csta cstc csts ctca ctsa ctsc ctss ctta ctts ctvt cvac cvas cvca cvcc cvss s-vt sa-c saac saas saat saca sacc sacs sact sasa sasc sass sast sata satc sats satt sava savs scaa scac scas scat sccc sccs scct scsa scsc scst sctc scts sctv ssaa ssac ssas ssat ssca sscc sscs sssa sssc ssss ssta sstc ssts st-v stac stas stat stca stcc stcs stss sttc stvs svcc svcs svsc taa- taas taat taca tacc tacs tact tacv tasa tasc tass tast tata tats tatt tatv tava tavs tcca tccc tctc tcts tsaa tsat tsav tsca tscc tssa tsst tstc tsts ttss tttt tvac tvsa tvss tvtv vaas vaat vaca vacs vas- vasa vass vast vata vats vatt vava vavs vcat vssc vsta vtac vvvv