a-ii aaaa aaac aaaf aaai aaas aaca aacc aacf aaci aacs aact aafa aafc aaff aafi aaic aaii aais aasa aasc aasf aasi aass aast aata aatc aatf aatt ac-t acaa acac acai acas acat acca accc accf acci accs acct acfc acfi acfs acft aci- acia acic acif acis acsa acsc acsi acss acst acta actc actf acti acts actt afaa afat afca afcc afci afcs affa affc affi affs afft afia afif afis afit afsa afsc afst afta aftc afts aiai aias aica aicc aicf aics aiff aifs aiia aiic aisa aisi aist aita aitf aiti aits aitt asaa asac asaf asai asas asat asc- asca ascc asci asct asfa asfi asia asic asif asii asis asit assa assc assi asss asst asta astc asti asts at-t ataa atac atai atas atat atca atcc atcf atcs atfc atfs atia atic atif atis atit atsc atsi atst atta atti atts caaa caac caaf caas caat cac- caca cacc caci cafa cafc caff cafs caia caic cais cait casa casc casi cass cast cat- cata catc catf cati cats catt ccaa ccac ccaf ccai ccas ccat ccca cccc cccf ccci cccs ccfa ccfc ccff ccfi ccic ccii ccis ccsa ccsf ccsi ccss ccst cctc cctt cfaa cfac cfca cfcf cfcs cfia cfit cfsa cfsi cfta cftc ciaa cias ciat cica cicc cici cics cict cifa ciff cifs ciia ciii ciis ciit cis- cisa cisc ciss cist cita citf citi cits citt csaa csac csas csat cscc cscf csci cscs csfc csia csis csit cssa csta cstc csts ctca ctcf ctfc ctfs ctia ctic ctsa ctsc ctss ctta ctts faaa faac faas faca facc facs fact fafa fafc faff fafi fais fait fasa fasc fasi fass fast fata fatc fatf fati fats fatt fcas fcat fcca fccf fcic fcii fcsc fcst ffcc ffff ffii ffsa ffss fftf fiaa fiac fiaf fias fiat fica ficc fics fict fifa fifc fiff fifi fift fiii fisa fisc fisi fiss fist fita fitc fiti fits fitt fsai fsas fscc fsfi fsia fssa fssc fssf fsta ft-c ftfc ftii ftsa iaaa iaac iaai iaas iaat iaca iacc iacs iact iafc iaff iaia iais iasa iasc iasi iata iatc iati icaa icac icaf icai icas icat icca iccc iccf icci iccs icct icis icsa icsc icsi icss icst icta icts ifaa ifac ifas ifat ific ifis ifit ifsa ifsc ifta iiac iias iica iifa iiii iiis iiit iisc iisi iist iita iitt is-a isac isaf isai isas isat isca iscc isci iscs isct isfa isfc isia isic isis isit issa issc issf issi isss ista istc isti ists itaa itac itaf itai itas itat itcs itfa itia itic itif itis itsa itsf itsi itta ittf s-ic s-ii sa-c saac saaf saas saat saca sacc saci sacs sact safa safc saff safi saft saia saic saif sais sait sasa sasc sasf sasi sass sast sata satc sati sats satt scaa scac scaf scai scas scat sccc sccs scct scfa scfc scfi sci- scia scic scif scis scit scsa scsc scsi scst sctc scts sfas sfca sfcc sfcs sffc sfia sfss sfts siaa siac siaf siai sias siat sica sicc sici sics sifa siff sift siit sisa sisc sisi siss sist sit- sita sitc siti sits sitt ssaa ssac ssas ssat ssca sscc ssci sscs ssfc ssis ssit sssa sssc sssf sssi ssss ssta sstc ssts stac stai stas stat stca stcc stcs stfc stia stic stif stis stit stsf stsi stss sttc taa- taaf taas taat taca tacc taci tacs tact tafa tafc taff tafi taft taia tais tait tasa tasc tasi tass tast tata tati tats tatt tcca tccc tcfc tctc tcts tfca tfsi tfss tftc tiaa tiaf tias tica ticc tics tifa tiff tift tiit tisa tisi tiss tist tita titc titi tits titt tsaa tsai tsat tsca tscc tsfc tsia tsis tssa tssf tssi tsst tstc tsts ttfa ttfc ttff ttss tttt