spgt spoc spoo spop spor spos spot spps spro sprs spse spso spsp spss spst sptc spto sptr spts spue spug spur spus sput srcc srct srec sreo sres sros srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset ssgs ssgt ssoc ssop ssot sspc sspe sspo ssps sspt ssrc ssrg ssrs sssc ssss sstc sstp ssts stcc stcp stcs stcu stec stee steg steo step ster stes stet stge stgr stoe stog stoo stop stor stos stot stou stpp stps strc stre stro strs stru stss sttc sttr stuc stue stug stup stur stus stut suc- succ sucr sucs suee suer sues suet sueu sug- suge sugg sugo suor suos sup- supe supo supp supr sups supt sur- surc sure surg suro surp surr surs surt suru sus- suse suso susp suss sust susu sute suto sutu suus tccc tccu tcep tcos tcpo tctc tcts teco tecr tecs tect teec teer tees teet tegg tego tegs tegt tegu teor teos tepe tepp tepu ter- terc tere tero terp terr ters teru tesc tese teso tesp 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 top- tope topo topp tops topt topu torc tore torg toro torp torr tors tort toru tosc tose toso toss tost tosu totc tote toto totr tots tott toug toup tour tous tout tpcp tpcs tpeg tper tppp tppr tprs tpsc tpte tptp tptr tput trcc tre- trec tree treg treo tres tret treu trge troc troe trog troo trop tros trot trou trpc trpe trpg trpp trps trst trtc trte trtr truc true trug trus trut truu tscc tscg tscp tsec tses tset tsgt tsop tsos tsou tspo tsps tspt tsse tssg tssr tsst tstc tsts tsup ttcp tteo tter ttoe ttop ttss tttt tucc tuco tuer tues tuet tugg tugs tugu tuor tuos tupe tupo tups tupu turc ture turg turo turp turr turs turt turu tusc tuss tust tute tuto tuts tutt tutu tuuo u-rp uccp uces ucos ucrc ucsc ucst ucsu ucut uers uess ugcc ugcg ugeo ugep uggo uggs uggt ugos ugro ugur uguu uocc uor- uore upcs upgo upor upos uppc uppe uppp uppu upsc upse upto upup ure- ures uret urge urgu uro- uroo urpo urre urse urso urss ursu urte urts urup urur urus urut uscc usce uscg usco uscs usee user uses uset usgo usgp usoc usoe usog usos uspc uspo uspp usps ussc usse ussr usss usst ussu ustc uste usto ustp usts usus utec utep uter utes utor utsc utto uttu utug uucp uuoc uuuu

-tree c-cor c-p-c c-pop c-tec ccccc ccett ccups ceco- cecos ceere ceese cegep cegge ceoce ceoor ceose ceous cepes cepet cepos cepot ceppo cerc- cerce cerco cercs cerec cerer ceres ceret cerge cero- ceroc ceros cerou cerps cerre cerro cerrs cerse cerss certe certs cerus cesce cescr cesgs cesse ceste cests cetes ceto- cette cetus co-co co-op cocc- cocce cocco coceo cocos cocto cocur cocus coepe coers coest coete coeur coeus cogue cooee cooer coope coops coopt coore coorg coors coost coote coots copce copec coper copes copos coppe coppo copps copr- copre copro copse copte copto copts copur copus coput corce core- coree corer cores coreu corge coro- corop corot corpe corps 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 coupe coups coure cours court couru couse coust couto couts coutu cpctc cpesc crece creep creer crees cregg creo- creop creos creot crepe crept crepu cresc crese creso cress crest crete cretu creu- creue creup croce croco crocs croes crooe croop croos croot cropc crope cropo crops crore crose cross crost crote crots crott croup crous crout crres cruce cruet cruor crupe crure cruse crust cruts csere cspot cspro csprs cstcc cteep ctree cttee cuero cuers cueto cueup cuoco cuore cuper cupes cupr- cupro curce curer cures curet curre curro currs curse curst curto curts curug curup cusco cusec cuser cusop cusps cusse cusso custe cutco cutcu cutee cuter cutes cutro cutto cutts cutup e-cps e-pro eccup ecorp ecots ecrus ecseg ecser ecspp ecto- ector ectot ecups eeeee eepee eeros egers egest egeus egger eggos egots egres egret eorre eoste epcos epcot epees eperc epeus epops epopt epost epote eppes epure erceg erecs erect erege erept 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 erupt eruts esces escos escot escou escrt esect esere esgos esops esp-r espec esper espoo espot espre esrog esser esses essor essse essue estce estee estep ester estes estet estoc estop estos estre estro estur estus esure etest etete etops etoro etour etree etres etrog etter ettes eturu eucre euges euops euro- europ euros eurre eurus euser gcses gecco gecos gecse geeps geere geers geert geese geest geete geeup gegge geoop georg geppo gerce geres gerre gers- gerse gerss gerts gertt geser gesse gesso geste gests getco getee geter getgo getso gette getto getts getup go-go go-oo go-op go-to gocco gocoo gocup goers goest goget gogos gogro gogue googe googs goops goore goose goost goote goout goper gopes goppe gopro gorce goree gorer gores gorge gorgo gorps gorre gorse gorst goscu gose- gosee gosse goste goter gotoo gotop gotor gotos gotto gotts gotup gotur gouet gouge goure gours goust gouts gps-c grece greco grecs grecu greer grees greet grege gregg grego gregs greot grepe grepo greps grese gress grest grete grett greup greut grgur groce groes groet groge grogg grogs groop groos groot grope gropp grose gross grost grosu grote grots grott groue group grout grrrr grues grure gruse gruss grust gruts gruut gscps gspot gsses gtrot gtspp gtsss guce gucer gucus guere guero guess guest guoge gurge guroo guros gurps gurre gurro gurse gursu gurts gurur gurus gusce guste