pess pest pesu pete petr pets pett peul peur peut plcc plce ple- plec plee ples plet pleu plpp plss pltt plue plup plur plus ppcc ppcs pper pple pppp ppps pprc ppru ppss ppts pptt ppur prcc prcp prcs pre- prec pree prel prep pres pret preu prle prlr prls prps prrs prsc prse prsl prss prtc prtp prtr prue prus prut pruu pscu psec psel pspp pspr psps psrp pssc psse psst psts pstu ptcc ptcl pter pttc pu-e puce puel puer puet pueu pule pull pulp puls pult pulu pupe pupl pups pupu pur- pure purl purp purr purs puru puss pust put- pute puts putt putu puuc rccc rccs rcep rcet rcle rcls rcps rcpt rcsc rcsl rcss rctc rcts recc rece recp recr recs rect recu reel reep rees reet rele rell relp rels relt repe repl repp repr reps rept repu rere rers rert reru rese resp ress rest rete retr rets rett reue reul reup reus reut reuu rlcs rlee rleu rlls rpcs rpet rpls rpps rpts rrle rrrr rrsp rscc rscs rsee rslc rslp rsps rsre rssl rstp rsts rstu rtcc rtce rtee rtes rtle rtls rtlt rtps rtss rttp rtts ruce ruct ruel ruer rues ruet rule rull rupe rupp rupt rurc rure rurp rurs ruru ruse russ rust rusu rute rutl ruts rutt rutu sccc scce sccl sccp sccs scct scec scee scel scep scer scet scl- sclc scls scpe scpl scps scpt scr- scrc scre scrs scsc scsl scsr scst scsu sctc sctl sctr scts scul scup scur scut se-c se-e se-s se-t se-u sec- secc sece secr secs sect secu seec seel seep seer sees seet seeu sele sell sels selt selu sepe sepp sepr seps sept sepu serc sere serp serr sers sert seru sesc sese sess sest set- setc sete setl sets sett seul seur slcc slcu slee slep sler sles slet sllp slpp slps slrc slre slrp slrs slsc slst slsu slts sluc slue slup slur slut spcc spcs spec spee spel sper spes spet splc sple splp splr spls spps sprs spse spsp spss spst sptc sptr spts spue spur spus sput srcc srct srec sres srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset sslc ssle sslp sslt sspc sspe sspl ssps sspt ssrc ssrl ssrs sssc ssss sstc sstl sstp ssts stcc stcp stcs stcu stec stee stel step ster stes stet stlc stle stlt stpp stps strc stre strs stru stss sttc sttr stuc stue stul stup stur stus stut suc- succ sucr sucs suee suel suer sues suet sueu sul- sulc sule sull sulp sult sulu sup- supe supp supr sups supt sur- surc sure surp surr surs surt suru sus- suse susp suss sust susu sute sutu suus tccc tccu tcep tctc tcts tcul tecl tecr tecs tect teec teel teer tees teet tel- telc tele tell tels telt telu tepe tepp tepu ter- terc tere terp terr ters teru tesc tese tesl tesp tess test tete tetr tets tett tetu teut tlrs tpcp tpcs tper tpls tppp tppr tprs tpsc tpte tptp tptr tput trcc trcl tre- trec tree tres tret treu trpc trpe trpp trps trst trtc trte trtr truc true trus trut truu tscc tscp tsec tses tset tsps tspt tsse tssr tsst tstc tsts tsup ttcp tter ttss tttt ttul tucc tuel tuer tues tuet tule tull tulp tulu tupe tups tupu turc ture turp turr turs turt turu tusc tuss tust tute tutl tuts tutt tutu u-rp uccp ucel uces ucrc ucsc ucst ucsu ucut uele uell uers uess ulcc ulee ules ulle ullr ults ultt ulul ulus upcs uppc uppe uppp uppu upsc upse uptl upup ure- ures uret urle urls urre urse urss ursu urte urts urup urur urus urut uscc usce uscs usee usel user uses uset usle uslp uslu uspc uspp usps ussc usse ussr usss usst ussu ustc uste ustp usts usul usus utec utel utep uter utes utsc utsl uttu uucp uulu uuuu

-tree c-p-c c-tec ccccc cccsl ccell ccett ccpls ccrcl ccrel cctrl ccups ceele ceere ceese celer celes cell- celle cells celse celss celte celts 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 cleer cleet clepe clept clerc clere cless clete clett clue- cluer clues clupe clurr cluse cluss clute cluts clutt cpctc cpesc cplus crece creel creep creer crees crele crell crepe crept crepu cresc crese cress crest crete cretu creu- creue creul creup crlcs crrel crres cruce cruel cruet crule crull cruls crupe crure cruse crust cruts cselt csere csprs cstcc cteep ctree ctrlc ctrls cttee ctulu cuers cueup cules culet culle culls cullu culpe culps cults culur cupel cuper cupes cuple cupr- cupul curce curel curer cures curet curle curll curls curlu curre currs curse curst curts curup cusec cuser cusps cusse custe cutcu cutee cuter cutes cutle cutts cutup cuuel e-cps eccle eccup ecrus ecser ecspp ecups eeeee eeler eepee elecs elect eleet elele elers eless elest elets eleut ellel eller elles ellet ellul elpee elper elrec elser elses elspe eltrs eluls elulu eluru elute epees eperc epeus eplus eppes epure erecs erect erept erere erest erets erles erpel erres errtu erses erste ersts erte ertel erter ertes eruct erupt eruts esces escle escrt esect esels esere esp-r espec espel esper espre esrel essel esser esses essse essue estce estee estel estep ester estes estet estre estur estus esure etest etete etree etres ettel etter ettes ettle eturu eucre euell euler eurel eurre eurus euser lecce leces lects leece leell leere leers leert leese leest leets lelep leles leleu lelle lepel leper lepet leppe lepre lept- lepus lerer lerps lesce leser lesse leste lesue lesur letre lette letts letup letur letus leuc- leuce leupp leuse llers llrrs lsers lucee luces lucet lucre lucur lucus lulec lules lulle lulls lulte luluc lulul lulus luper lupes luppe lupsu lupul lupus lurer