-vac a-ii a-iv aaaa aaac aaai aaas aaav aaca aacc aaci aacs aacv aaic aaii aais aasa aasc aasi aass aava acaa acac acai acas acca accc acci accs aci- acia acic acis acsa acsc acsi acss acvs acvv aiai aias aica aicc aics aiia aiic aisa aisi aiva asaa asac asai asas asc- asca ascc asci asia asic asii asis assa assc assi asss asva asvs avas avcc avia avic avis aviv avva caaa caac caas cac- caca cacc caci caia caic cais casa casc casi cass cava cavi cavs ccaa ccac ccai ccas ccca cccc ccci cccs cccv ccic ccii ccis cciv ccsa ccsi ccss ccvi ccvs ciaa cias cica cicc cici cics ciia ciii ciis cis- cisa cisc ciss cisv civa civc csaa csac csas csav cscc csci cscs csia csis cssa cvac cvas cvca cvcc cvii cvss iaaa iaac iaai iaas iaca iacc iacs iaia iais iasa iasc iasi iava icaa icac icai icas icca iccc icci iccs icis icsa icsc icsi icss iiac iias iica iiii iiis iisc iisi is-a isac isai isas isca iscc isci iscs isia isic isis issa issc issi isss ivai ivic s-ic s-ii s-iv sa-c saac saas saca sacc saci sacs saia saic sais saiv sasa sasc sasi sass sava savi savs scaa scac scai scas sccc sccs sci- scia scic scis sciv scsa scsc scsi siaa siac siai sias sica sicc sici sics sisa sisc sisi siss siva sivi ssaa ssac ssas ssca sscc ssci sscs ssis sssa sssc sssi ssss svcc svcs svic svsc vaas vaca vacs vaia vais vas- vasa vasi vass vava vavs vcci vias vic- vica vici vics viii visa visc visi viss viva vivi vsic vssc vvvv