a-ii aaaa aaac aaai aaas aaca aacc aaci aacs aaic aaii aais aasa aasc aasi aass acaa acac acai acas acca accc acci accs aci- acia acic acis acsa acsc acsi acss aiai aias aica aicc aics aiia aiic aisa aisi asaa asac asai asas asc- asca ascc asci asia asic asii asis assa assc assi asss caaa caac caas cac- caca cacc caci caia caic cais casa casc casi cass ccaa ccac ccai ccas ccca cccc ccci cccs ccic ccii ccis ccsa ccsi ccss ciaa cias cica cicc cici cics ciia ciii ciis cis- cisa cisc ciss csaa csac csas cscc csci cscs csia csis cssa iaaa iaac iaai iaas iaca iacc iacs iaia iais iasa iasc iasi 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 s-ic s-ii sa-c saac saas saca sacc saci sacs saia saic sais sasa sasc sasi sass scaa scac scai scas sccc sccs sci- scia scic scis scsa scsc scsi siaa siac siai sias sica sicc sici sics sisa sisc sisi siss ssaa ssac ssas ssca sscc ssci sscs ssis sssa sssc sssi ssss