cset csia csir csis csit csra csrc csrs cssa csse cssr csta cstc cstr csts csws ctae ctca ctec ctia ctic ctrc ctrs ctsa ctsc ctss ctta ctts cttw cwac cwer cwis cwrw cwts eaca eacc eaec eara eare ears eart earw easa ease easi east eata eate eati eats ecaa ecac ecai ecar ecat ecca eccc ecce ecci ecct eces ecis ecit ecra ecrc ecri ecrr ecsa ecsc ecse ecss ect- ecta ectc ects ecwa eeca eecs eeea eeee eees eera eerc eers eese eesi eeta eetc eete eets eica eics eiec eiei eier eies eira eire eirs eisa eise eiss eist eita eitc eiti eitr eiwa eras erat erca ercc erce erec erei erer eres eret erew eria eric erie eris erit erra errc erre errs ersa erse ersi erst erta erts erws erwt esac esai esar esas esat esaw esca esce esci escr escs esea esee eser eses eset esie esis esit esra esri essa esse essi esst esta estc este estr ests eswc esws etai etas etat etcc etcs etec etee eter etes etic etra etre etsi etta ette etti ewai ewer ewes ewew ewre ewte ewts iaaa iaac iaai iaas iaat iaca iacc iacr iacs iact iaea iaec iaia iais iara iarc iare iars iart iasa iasc iasi iasr iata iatc iate iati iawa icaa icac icai icar icas icat icaw icca iccc icci iccr iccs icct icea icec icee icer ices icet icew icis icra icrc icre icrr icrs icrt icrw icsa icsc icse icsi icsr icss icst icta icts icwa icws ieac ieat iecc ieet ieie iera iere ieri iers iesa iesc iesi iesr iest ieta iett iiac iias iica iies iiie iiii iiis iiit iira iirc iirs iisc iisi iisr iist iita iitr iitt iiwi irac irae irai irar iras irca ircc ircs iree irer ires iri- iria iric irie iris irra irrc irre irri irrs irsa irse irta irte irti irts is-a isac isae isai isar isas isat isaw isca iscc isci iscr iscs isct isea isec isee iser ises iset isia isic isie isis isit isra isri issa issc isse issi issr isss ista istc iste isti istr ists iswc itaa itac itai itar itas itat itaw itcs itea itec iter ites itet itia itic itie itis itra itri itrs itsa itse itsi itta itwa itwe iwai iwar iwas iwca iwcc iwce iwie iwis iwiw raas raat rac- raca racc race raci racs ract raec raer raes raia raic raie raii rair rais rait rara rare rari rars rasa rasc rase rasi rass rast rata rate rati rats ratt rawa rawe rawr raws raww rcac rcas rccc rccs rcet rcic rcis rcsa rcsc rcsi rcss rctc rcti rcts rea- reac reae rear reas reat reca recc rece reci recr recs rect rees reet reia reii reir reis reit rera rere reri rers rert resa rese resi ress rest reta rete reti retr rets rett rewa rewe rews riaa riai rias riat rica ricc rice rics rict rier ries riet riew riia riis rire riri rirs risa risc rise risi riss rist rita rite riti rits ritt rras rrat rrrr rsaa rsai rscc rscs rsee rsis rsre rssa rsts rtai rtas rtca rtcc rtce rtee rtei rtes rtss rtts rwcs s-ic s-ii sa-c saac saae saar saas saat saca sacc sace saci sacr sacs sact saer saes saia saic saie sair sais sait sara sarc sare sari sarr sars sart sasa sasc sase sasi sass sast sata satc sate sati satr sats satt sawa sawe sawi saws sawt scaa scac scai scar scas scat scaw sccc scce sccs scct scea scec scee scer scet scew sci- scia scic scie scir scis scit scr- scra scrc scre scri scrs scsa scsc scsi scsr scst sctc sctr scts scwe se-c se-e se-i se-s se-t se-w seaa seac sear seas seat seaw sec- seca secc sece secr secs sect seea seec seer sees seet seew seia seie seii seir seis seit sera serc sere seri serr sers sert sesa sesc sese sesi sess sest set- seta setc sete seti sets sett sewa sewe sewr sews siaa siac siae siai sias siat sica sicc sice sici sics siec sier sies siew siit sira sirc sire siri sirr sirs sirt sisa sisc sise sisi siss sist sit- sita sitc site siti sits sitt siwa siwe siwi sras sraw srcc srct srec sres sris srta srtr ssaa ssac ssas ssat ssaw ssca sscc ssce ssci sscs ssec ssee sses sset ssis ssit ssra ssrc ssri ssrs sssa sssc sssi ssss ssta sstc ssts ssws stac stae stai star stas stat staw stca stcc stcs stea stec stee ster stes stet stew stia stic stie stir stis stit stra strc stre stri strs stsi stss sttc sttr stwe swac swae swai swar swas swat swcc swea swee swer swet swic swie swir swis swit swre swss swte swts taa- taar taas taat taca tacc tace taci tacs tact taec taer taes taia tair tais tait tara tarc tare tari tarr tars tart tasa tasc tase tasi tasr tass tast tata tate tati tatr tats tatt tawa tawe tawi taws tawt taww tcca tccc tctc tcts teac tear teas teat teaw teca tecr tecs tect teec teer tees teet teia teic teie teir teis ter- tera terc tere teri terr ters tesa tesc tese tess test teta tete teti tetr tets tett tewa tews tiaa tiar tias tica ticc tice tics tie- tiea tiee tiei tier ties tiet tiew tiit tira tire tiri tirr tirs tisa tise tisi tiss tist tita titc tite titi tits titt tiwa tiwi traa trac trae trai tras trat traw trca trcc tre- trea trec tree trei tres tret trew tri- tria tric trie tris trit trra trsi trst trtc trte trtr trwe tsaa tsai tsar tsat tsca tscc tsec tses tset tsia tsis tssa tsse tssi tssr tsst tstc tsts tswa tswe tter ttss tttt twae twas twat twee twei twer twi- twic twie twis twit twss waaa waac waai waar waas waat