a-ii aaaa aaac aaai aaas aaca aacc aaci aacs aact aaic aaii aais aasa aasc aasi aass aast aata aatc aatt ac-t acaa acac acai acas acat acca accc acci accs acct aci- acia acic acis acsa acsc acsi acss acst acta actc acti acts actt aiai aias aica aicc aics aiia aiic aisa aisi aist aita aiti aits aitt asaa asac asai asas asat asc- asca ascc asci asct asia asic asii asis asit assa assc assi asss asst asta astc asti asts at-t ataa atac atai atas atat atca atcc atcs atia atic atis atit atsc atsi atst atta atti atts caaa caac caas caat cac- caca cacc caci caia caic cais cait casa casc casi cass cast cat- cata catc cati cats catt ccaa ccac ccai ccas ccat ccca cccc ccci cccs ccic ccii ccis ccsa ccsi ccss ccst cctc cctt ciaa cias ciat cica cicc cici cics cict ciia ciii ciis ciit cis- cisa cisc ciss cist cita citi cits citt csaa csac csas csat cscc csci cscs csia csis csit cssa csta cstc csts ctca ctia ctic ctsa ctsc ctss ctta ctts iaaa iaac iaai iaas iaat iaca iacc iacs iact iaia iais iasa iasc iasi iata iatc iati icaa icac icai icas icat icca iccc icci iccs icct icis icsa icsc icsi icss icst icta icts iiac iias iica iiii iiis iiit iisc iisi iist iita iitt is-a isac isai isas isat isca iscc isci iscs isct isia isic isis isit issa issc issi isss ista istc isti ists itaa itac itai itas itat itcs itia itic itis itsa itsi itta s-ic s-ii sa-c saac saas saat saca sacc saci sacs sact saia saic sais sait sasa sasc sasi sass sast sata satc sati sats satt scaa scac scai scas scat sccc sccs scct sci- scia scic scis scit scsa scsc scsi scst sctc scts siaa siac siai sias siat sica sicc sici sics siit sisa sisc sisi siss sist sit- sita sitc siti sits sitt ssaa ssac ssas ssat ssca sscc ssci sscs ssis ssit sssa sssc sssi ssss ssta sstc ssts stac stai stas stat stca stcc stcs stia stic stis stit stsi stss sttc taa- taas taat taca tacc taci tacs tact taia tais tait tasa tasc tasi tass tast tata tati tats tatt tcca tccc tctc tcts tiaa tias tica ticc tics tiit tisa tisi tiss tist tita titc titi tits titt tsaa tsai tsat tsca tscc tsia tsis tssa tssi tsst tstc tsts ttss tttt