a-ii aaaa aaac aaaf aaai aaas aaca aacc aacf aaci aaco aacs aact aafa aafc aaff aafi aaic aaii aais aaoo aasa aasc aasf aasi aass aast aata aatc aatf aatt ac-t acaa acac acai acas acat acca accc accf acci acco accs acct acfc acfi acfs acft aci- acia acic acif acis acoa acos acot acsa acsc acsi acss acst acta actc actf acti acto acts actt afaa afao afat afca afcc afci afcs affa affc affi affo affs afft afia afif afis afit afoa afoo afsa afsc afst afta aftc afts aiai aias aica aicc aicf aics aiff aifs aiia aiic aioc aioi aisa aisi aiso aist aita aitf aiti aits aitt aoca aocs aoss aotc aotf asaa asac asaf asai asao asas asat asc- asca ascc asci asco asct asfa asfi asia asic asif asii asio asis asit asoc asof asoi asos asot assa assc assi asso asss asst asta astc asti asto asts at-t ataa atac atai atas atat atca atcc atcf atco atcs atfc atfs atia atic atif atis atit atoc atof atoi atos atot atsc atsi atst atta atti atto atts caaa caac caaf caas caat cac- caca cacc caci caco cafa cafc caff cafs caia caic caio cais cait caoi caos casa casc casi caso cass cast cat- cata catc catf cati cato cats catt ccaa ccac ccaf ccai ccas ccat ccca cccc cccf ccci cccs ccfa ccfc ccff ccfi ccic ccii ccis ccoc ccsa ccsf ccsi ccss ccst cctc cctt cfaa cfac cfao cfca cfcf cfco cfcs cfia cfit cfoa cfos cfsa cfsi cfta cftc ciaa ciao cias ciat cica cicc cici cico cics cict cifa ciff cifs ciia ciii ciis ciit cios cis- cisa cisc ciss cist cita citf citi cito cits citt coai coas coat coca coco coct cofc coff cofi cofs coft coia coif cois coit coof coos coot cosa cosc cosi coso coss cost cota cotc coti coto cots cott csaa csac csao csas csat cscc cscf csci csco cscs csfc csia csio csis csit csos csot cssa csta cstc csto csts ctca ctcf ctfc ctfo ctfs ctia ctic ctos ctot ctsa ctsc ctss ctta ctts faaa faac faas faca facc facs fact fafa fafc faff fafi fafo faio fais fait fasa fasc fasi faso fass fast fata fatc fatf fati fato fats fatt fcas fcat fcca fccf fcic fcii fcot fcsc fcst fcto ffcc ffff ffii ffsa ffss fftf fiaa fiac fiaf fias fiat fica ficc fico fics fict fifa fifc fiff fifi fifo fift fiii fios fisa fisc fisi fiss fist fita fitc fiti fits fitt foaf foca foci foco focs fofo foia fois foof foos foot fosa fosi foso foss fost fota foti foto fots fott fsai fsas fscc fsfi fsfo fsia fssa fssc fssf fsta ft-c ftfc ftii ftos ftsa iaaa iaac iaai iaas iaat iaca iacc iacs iact iafc iaff iaia iais iasa iasc iasi iaso iata iatc iati icaa icac icaf icai icao icas icat icca iccc iccf icci icco iccs icct icis icoc icos icsa icsc icsi icss icst icta icts ifaa ifac ifao ifas ifat ifco ific ifis ifit ifsa ifsc ifso ifta ifto iiac iias iica iifa iiii iiio iiis iiit iioi iioo iios iisc iisi iist iita iitt ioci iofc ioii ioio ioit ioof iooi iooo ioos ioso iota iotf ioto is-a isac isaf isai isao isas isat isca iscc isci isco iscs isct isfa isfc isia isic isis isit iso- isoc isof isos issa issc issf issi isso isss ista istc isti isto ists itaa itac itaf itai itas itat itcs itfa itia itic itif itis itof itoi itoo itos itsa itsf itsi itso itta ittf itto oafc oafo oafs oaic oais oasc oasi oass oast oats ocac ocas ocat occa occc occi occt ocfa ocis ocos ocsa oct- octa octi octo octs ofas off- offa offc offo offs ofit ofst ofta oici oiii oios oisc oist oita oitc oiti ooaa ooff oofs ooia oooo ooos oosa oosi oost oots osaf osai osas osat osca oscc osci osco osfa osia osii osis osoi osoo osos ossa ossi osso osta ostc osti osts otac otas otfc otic otif otis otit oto- otof otoo otos otsa otso otta otti otto otts s-ic s-ii s-os sa-c saac saaf saas saat saca sacc saci saco sacs sact safa safc saff safi safo saft saia saic saif sais sait saoi saos sasa sasc sasf sasi saso sass sast sata satc sati sato sats satt scaa scac scaf scai scas scat sccc sccs scct scfa scfc scfi sci- scia scic scif scio scis scit scoo scot scsa scsc scsi scso scst sctc scto scts sfas sfca sfcc sfco sfcs sffc sfia sfio sfos sfss sfts siaa siac siaf siai sias siat sica sicc sici sico sics sifa siff sifo sift siit sios siot sisa sisc sisi siss sist sit- sita sitc siti sito sits sitt soas soat soca soci soco socs sofa sofi sofo soft soia soic soif sois soit soof soos soot sosa sosi soso soss sost sota sotc soto sots ssaa ssac ssao ssas ssat ssca sscc ssci sscs ssfc ssis ssit ssoc ssot sssa sssc sssf sssi ssss ssta sstc ssts stac stai stas stat stca stcc stcs stfc stia stic stif stio stis stit stoa stof stoo stos stot stsf stsi stss sttc taa- taaf taas taat taca tacc taci taco tacs tact tafa tafc taff tafi tafo taft taia taio tais tait taoa taos tasa tasc tasi tass tast tata tati tato tats tatt tcca tccc tcfc tcos tctc tcts tfca tfot tfsi tfss tftc tiaa tiaf tiao tias tica ticc tico tics tifa tiff tifo tift tiit tios tisa tisi tiso tiss tist tita titc titi tito tits titt toas toat toca toci toco tofa toff tofi tofo toft tois toit tooa toof toos toot tosa tosc tosi toso toss tost tota totc toti toto tots tott tsaa tsai tsao tsat tsca tscc tsfc tsia tsis tsoi tsos tssa tssf tssi tsst tstc tsts ttfa ttfc ttff