orgo orgs oro- oroe oror oros orot orro orrs orse orso orsu ortc orte orto orts orus oscc osce osco osec osee oser oses oset osoo osor osos osro osse osso ossu ostc oste ostr osts otee oter otes oto- otoe otog otoo otor otos otre otro otrs otse otsg otso otsu otte otto otts ottu otur otus oucc ouer ouge our- oure ouro ours ourt ouse oust out- oute outo outs ouu- rccc rccs rcet rcgc rcos rcrg rcsc rcss rctc rctg rcts recc rece recr recs rect recu rees reet rege rego regr regs regt regu reog reos reot reou rere rerg rero rers rert reru rese reso ress rest rete reto retr rets rett reue reus reut reuu rgtr rgts rocc roce roco rocs roeg roer roes roet roge rogg rogo roog roor roos root rorc rore roro rort roru rosc rose roso ross rost rotc rote rotg roto rotr rots rott roue rous rout rrrr rscc rscs rsee rsgc rsos rsre rsts rstu rtcc rtce rtcg rtee rtes rtgs rtss rtts ruce ruct ruer rues ruet ruge rugg rugs rurc rure ruro rurs ruru ruse ruso russ rust rusu rute ruto ruts rutt rutu s-os sccc scce sccs scct scec scee sceg scer scet scgs scog scoo scor scot scr- scrc scre scrs scsc scso scsr scst scsu sctc scto sctr scts scug scur scut se-c se-e se-g se-o se-s se-t se-u sec- secc sece secg seco secr secs sect secu seec seeg seer sees seet seeu sege segg sego segs segu seoc serc sere serg sero serr sers sert seru sesc sese seso sess sest set- setc sete seto sets sett seur sgce sgcg sger sges sggg sggs sgro sgss sgts soce soco socr socs soec soeo soes sogo sogs soog soor soos soot sore sorg soro sorr sors sort soru sose soso soss sost sotc sote soto sots sotu soue sour sous sout srcc srct srec sreo sres sros srtr sscc ssce sscs ssec ssee sses sset ssgs ssgt ssoc ssot ssrc ssrg ssrs sssc ssss sstc ssts stcc stcs stcu stec stee steg steo ster stes stet stge stgr stoe stog stoo stor stos stot stou strc stre stro strs stru stss sttc sttr stuc stue stug stur stus stut suc- succ sucr sucs suee suer sues suet sueu sug- suge sugg sugo suor suos sur- surc sure surg suro surr surs surt suru sus- suse suso suss sust susu sute suto sutu suus tccc tccu tcos tctc tcts teco tecr tecs tect teec teer tees teet tegg tego tegs tegt tegu teor teos ter- terc tere tero terr ters teru tesc tese teso tess test tete teto tetr tets tett tetu teut tgcc tgtc tgts toce toco toee toer toes toet toge togo togr togs togt toor toos toot torc tore torg toro torr tors tort toru tosc tose toso toss tost tosu totc tote toto totr tots tott toug tour tous tout trcc tre- trec tree treg treo tres tret treu trge troc troe trog troo tros trot trou trst trtc trte trtr truc true trug trus trut truu tscc tscg tsec tses tset tsgt tsos tsou tsse tssg tssr tsst tstc tsts tteo tter ttoe ttss tttt tucc tuco tuer tues tuet tugg tugs tugu tuor tuos turc ture turg turo turr turs turt turu tusc tuss tust tute tuto tuts tutt tutu tuuo uces ucos ucrc ucsc ucst ucsu ucut uers uess ugcc ugcg ugeo uggo uggs uggt ugos ugro ugur uguu uocc uor- uore ure- ures uret urge urgu uro- uroo urre urse urso urss ursu urte urts urur urus urut uscc usce uscg usco uscs usee user uses uset usgo usoc usoe usog usos ussc usse ussr usss usst ussu ustc uste usto usts usus utec uter utes utor utsc utto uttu utug uuoc uuuu

-tree c-cor c-tec ccccc ccett ceco- cecos ceere ceese cegge ceoce ceoor ceose ceous cerc- cerce cerco cercs cerec cerer ceres ceret cerge cero- ceroc ceros cerou cerre cerro cerrs cerse cerss certe certs cerus cesce cescr cesgs cesse ceste cests cetes ceto- cette cetus co-co cocc- cocce cocco coceo cocos cocto cocur cocus coers coest coete coeur coeus cogue cooee cooer coore coorg coors coost coote coots corce core- coree corer cores coreu corge coro- corot corre corrs corse corso corss corsu corte corto corts corus cosco cosec coser coses coset cosse cost- coste costo costs coter cotes cotos cotso cott- cotte cotto cotts cottu couco couer coure cours court couru couse coust couto couts coutu crece creer crees cregg creo- creos creot cresc crese creso cress crest crete cretu creu- creue croce croco crocs croes crooe croos croot crore crose cross crost crote crots crott crous crout crres cruce cruet cruor crure cruse crust cruts csere cstcc ctree cttee cuero cuers cueto cuoco cuore curce curer cures curet curre curro currs curse curst curto curts curug cusco cusec cuser cusse cusso custe cutco cutcu cutee cuter cutes cutro cutto cutts ecots ecrus ecseg ecser ecto- ector ectot eeeee eeros egers egest egeus egger eggos egots egres egret eorre eoste erceg erecs erect erege erere erest erets ergo- ergos ergot eroes eroge eroor eroos erore erose eross eroto erres error errtu erses erste ersts erte erter ertes ertug eruct erugo eruts esces escos escot escou escrt esect esere esgos esrog esser esses essor essse essue estce estee ester estes estet estoc estos estre estro estur estus esure etest etete etoro etour etree etres etrog etter ettes eturu eucre euges euro- euros eurre eurus euser gcses gecco gecos gecse geere geers geert geese geest geete gegge georg gerce geres gerre gers- gerse gerss gerts gertt geser gesse gesso geste gests getco getee geter getgo getso gette getto getts go-go go-oo go-to gocco gocoo goers goest goget gogos gogro gogue googe googs goore goose goost goote goout gorce goree gorer gores gorge gorgo gorre gorse gorst goscu gose- gosee gosse goste goter gotoo gotor gotos gotto gotts gotur gouet gouge goure gours goust