iser ises iset isic isie isis isit iso- isoc isor isos isri issc isse issi isso issr isss issu istc iste isti isto istr ists isus itcs itec iter ites itet itic itie itis itoi itoo itor itos itou itri itrs itse itsi itso itsu itto itur iucc iuce iuiu iuse iuss iust o-eo occc occi occt oce ocee ocet ocis ocos ocre ocro ocrr ocrs oct- octe octi octo octs ocur oec- oecc oeec oere oers oese oest oeti oici oier oies oiii oios oire oirt oisc oise oist oisu oitc oiti oocr ooer ooes oooo ooos oore oort oose oosi oost oots oous orce orci orco orcs ore- orec oreo orer ores ori- oric orie orio oris orit oro- oroe oror oros orot orri orro orrs orse orsi orso orsu ortc orte orto orts orus oscc osce osci osco osec osee osei oser oses oset osie osii osis osoi osoo osor osos osro osse ossi osso ossu ostc oste osti ostr osts otee oter otes otic otis otit oto- otoe otoo otor otos otre otro otrs otse otso otsu otte otti otto otts ottu otur otus oucc ouer ouie ouii ouir ouis ouit our- oure ouro ours ourt ouse oust out- oute outi outo outs ouu- rccc rccs rcet rcic rcis rcos rcsc rcsi rcss rctc rcti rcts recc rece reci recr recs rect recu rees reet reii reir reis reit reiu reos reot reou rere reri rero rers rert reru rese resi reso ress rest rete reti reto retr rets rett reue reus reut reuu ricc rice rico rics rict rier ries riet rieu riis rios riot riou rire riri rirs risc rise risi riso riss rist risu rite riti rito rits ritt ritu riue rius rocc roce roco rocs roer roes roet roio roir rois roit roiu rooi roor roos root rorc rore rori roro rort roru rosc rose rosi roso ross rost rotc rote roti roto rotr rots rott roue rous rout rrrr rscc rscs rsee rsis rsos rsre rsts rstu rtcc rtce rtee rtei rtes rtss rtts ruce ruci ruct ruer rues ruet ruis ruit rurc rure ruri ruro rurs ruru ruse rusi ruso russ rust rusu rute ruti ruto ruts rutt rutu s-ic s-ii s-os sccc scce sccs scct scec scee scer scet sci- scic scie scio scir scis scit scoo scor scot scr- scrc scre scri scrs scsc scsi scso scsr scst scsu sctc scto sctr scts scur scut se-c se-e se-i se-o se-s se-t se-u sec- secc sece seco secr secs sect secu seec seer sees seet seeu seie seii seir seis seit seiu seoc seoi serc sere seri sero serr sers sert seru sesc sese sesi seso sess sest set- setc sete seti seto sets sett seui seur sicc sice sici sico sics sicu siec sier sies siit sioe sior sios siot siou sirc sire siri siro sirr sirs sirt siru sisc sise sisi siss sist sisu sit- sitc site siti sito sits sitt situ siue siui sius siut soce soci soco socr socs soec soeo soes soic soie soir sois soit soor soos soot sore sori soro sorr sors sort soru sose sosi soso soss sost sotc sote soto sots sotu soue sour sous sout srcc srct srec sreo sres sris sros srtr sscc ssce ssci sscs ssec ssee sses sset ssis ssit ssoc ssot ssrc ssri ssrs sssc sssi ssss sstc ssts stcc stcs stcu stec stee steo ster stes stet stic stie stio stir stis stit stoe stoo stor stos stot stou strc stre stri stro strs stru stsi stss sttc sttr stuc stue stur stus stut suc- succ suci sucr sucs suee suer sues suet sueu suie suio suir suis suit suor suos sur- surc sure suri suro surr surs surt suru sus- suse susi suso suss sust susu sute suti suto sutu suus tccc tccu tcos tctc tcts teco tecr tecs tect teec teer tees teet teic teie teir teis teiu teor teos ter- terc tere teri tero terr ters teru tesc tese teso tess test tete teti teto tetr tets tett tetu teut ticc tice tico tics tie- tiee tiei tieo tier ties tiet tiit tiiu tios tiou tire tiri tiro tirr tirs tiru tise tisi tiso tiss tist titc tite titi tito tits titt titu toce toci toco toee toei toer toes toet toie tois toit toor toos toot torc tore tori toro torr tors tort toru tosc tose tosi toso toss tost tosu totc tote toti toto totr tots tott toui tour tous tout trcc tre- trec tree trei treo tres tret treu tri- tric trie trio tris trit troc troe troi troo tros trot trou trsi trst trtc trte trtr truc true trus trut truu tscc tsec tses tset tsis tsoi tsos tsou tsse tssi tssr tsst tstc tsts tsui tteo tter ttoe ttss tttt tucc tuco tuei tuer tues tuet tuis tuit tuiu tuor tuos turc ture turi turo turr turs turt turu tusc tusi tuss tust tute tuti tuto tuts tutt tutu tuuo u-ie ucci uces ucio ucos ucrc ucsc ucst ucsu ucut ueir uers uess uies uirr uise uist uits uocc uor- uore urci ure- ures uret uric urie uris uriu uro- uroo urre urri urse ursi urso urss ursu urte urts urur urus urut uscc usce usco uscs usee user uses uset usie usis usoc usoe usoi usos ussc usse ussr usss usst ussu ustc uste usti usto usts usui usus utec uter utes utis utor utri utsc utti utto uttu uuoc uuri uusi uuuu

-esti -itis -tree c-cor c-tec ccccc cccii ccett cciii ccitt ceci- cecie ceco- cecos cecri ceere ceese ceirt ceiss ceoce ceoor ceose ceous cerc- cerce cerci cerco cercs cerec cerer ceres ceret ceric cerie cerio ceris cero- ceroc ceros cerou cerre cerro cerrs cerse cerss certe certs cerus cesce cescr cesio cesis cesse ceste cesti cests cetes cetic cetis ceto- cette cetus ceuti cicer ciceu cicis cicus cietc circe circo circs cires ciric cirie cirio ciris cirr- cirri cirro cirs- cirse cisco