-tree c-p-c c-tec ccccc ccett ccups ceere ceese cepes cepet cerc- cerce cercs cerec cerer ceres ceret cerps cerre cerrs cerse cerss certe certs cerus cesce cescr cesse ceste cests cetes cette cetus cpctc cpesc crece creep creer crees crepe crept crepu cresc crese cress crest crete cretu creu- creue creup crewe crews crres cruce cruet crupe crure cruse crust cruts crwet csere csprs cstcc cteep ctree cttee cuers cueup cuper cupes cupr- curce curer cures curet curre currs curse curst curts curup cusec cuser cusps cusse custe cutcu cutee cuter cutes cutts cutup cwers e-cps eccup ecrus ecser ecspp ecups eeeee eepee epees eperc epeus eppes epure erecs erect erept erere erest erets erewe erres errew errtu erses erste ersts erte erter ertes eruct erupt eruts esces escrt esect esere esp-r espec esper espew espre esser esses essew essse essue estce estee estep ester estes estet estew estre estur estus esure etest etete etree etres etter ettes eturu etwee eucre eurre eurus euser ewers ewert ewest p-rep pccts pcept pcert pctct peces peece peeps peere peers peert peese peest peete peets pepee pepes peppe pepst pept- pepup perce percs perec perer peres peret perps perre perse persp perst perte peruc perur perus pesce peses pesse peste pests pesut petcu peter petes petr- petre petru pette petts petur petus peuce peure peurs pewee pewet pewpe pewre ppers prece prees preps prese press prest prete preus prewe prews pruce pruss prute psecu pssst pssts pter- ptere pters ptprc ptpre ptprr ptprs ptprt ptpru puces puets puett pupet puppe purce puree purer pures purre purrs purse purte purus pusce puter putre putt- putte putts puttu putup puurs rcpsc rcpts re-up recce recep recet recpt rect- recte rects recue recur recus recut reece reecs reepe reere reese reest reewe repec repet repew reppe repps reprt reprw repts repus reput rere- reree reres reret resee reses reset resew resse reste restr rests resue resup resus retee reter retes retew retsu rette retts reuer reuet reups reuse reuss reute reuwe rewer rewet rrsps rspec rsust rucer ruere ruers ruete rupee ruper rupes rupse rurec rusce ruses ruspe russe ruste rusts rustu ruter rutte ruutu ruwer ruwet s-tec scere scert screc scree screw scrsp scrue scrus scrwe scter sctrs scuet scups scure scurr scurt scuse scut- scute scuts scutt scuwe secre secte sects secur secus seece seeps seere seers seese seest seesu seete seeup sepet sept- septs septu serce serec serer seres seret serew serpe serps serre serse serss sert- serte serts serue serup serut serwe sesce seser seses sesse seste sestu sesue setec setee seter setse sette setts settu setup setus setut seuer seure seuss seute sewee sewer sewet sewre sewte sewup specc spece specs spect speer spees speet spere sperr spert spete spets speus spews spree spres spret sprew sprue sprut spues spure spurr spurs spurt spuse spute sputs spuwe srpce sssss steep steer stees steet step- stepe stepp steps stept sterc stere sterr sters stert stesu stete stets steur stews stree strep stret streu strew strrs struc strue strut strwe sttep stuer stupe stupp stups sture sturt stuse stuss stute stuue stuwe sucr- sucre sucst suere suers suess suest suete suets sueur super supes supet suppe supps supre supts supur suput surer sures surpu surre surte surtr surur surus suser suses susse susus sutee suter sutes sutte suttu sweep sweer sweet swepe swept swere swert swete swets swett swtpc swtte swuer teepe teers teese teest teets teeup tepee tepes tepet tepeu teppu terce teres teret tereu terps terre terrs terse tert- tespe tesse teste tests teter tetes tetr- tetsu tette teuts tewer tewes tewet tpc-w tppts treer trees treet trepp trept trere tres- trese tress trest trete trets trett treus treut trewe trews trsce truce truer trues trups trupt truse truss trust trute truus truwe trwce trwes tsere tsets tsrcs tsuru tsuur tswet ttest ttttt tucep tucet tuctu tupee turet turew turps turre turse turss turst tursu turtu turup turut tutee tutte tutus tuuru tweep tweer twees tweet twere twerp twrss u-cee upc-e upcut upeet upper upput upse- upset upter urewe ursus urter uruce urucu urupe urutu us-sc uscup usees users usest useup usses uster ustup ustur usure usurp usutu uter- utter uttur uturu uuuuu weepe weeps weere weert weese weesp weest weete weets weper wepte weput werce were- weres werew werpe werre werse werst werte wertu werur wesee weser wespe wesse weste wests weter wette wetus weurt wrest wrete wrett wrstc wrust wrutt wurst wusse wuste wusup wwwww