eren erer eret erfc erft erle erll erne erpe errc erre ertl ertu eruc erur etcc etec etee etel eten eter etfc etfe etne etnr etre ette ettn ettu etun euer eufc eule eur- eurc eure eurt fccf fccp fcnl fcup fece fect feel feen feer feet fefc fefe feff fele felf fell felt fene fenn fent fepc ferc fere fern ferr fert feru fete fetp fetr fett fetu ffcc ffee ffff ffrr fftf ffun flcl flee flen fler flet flnc flue fluf flur fnet fnlc fnuf fp-c fpcc fpct fplc fprf frcc frcn frcp free fren frep fret frfc frue frun ft-c ft-l ften fter ftfc ftpe ftuc fuc- fuct fuel fuet fufc fuff fufu fule full fulu fune funf funt fur- fure furl furn furr furt fute futu lccc lcce lcer lcfc lcfr lcpc lcpl lcrl lctl le-u lece lect leef leel leen leep leer leet lefe leff left lele lell lelu lene lenn lent lepe lepp lept lerc lere lern lerp lert lete lett leuc leun leur lfcc lftp llcc llef llet lleu lllc llll lncr lner lntc lpec lpfp lpft lppl lprp lrfc lrne lrpu lrrc lrrr ltcc ltee ltfc ltnt lttc lttr ltuc luce luef luer lufe luff luft lufu lule lull lulu lune lunn lunt lupe lupu lure lurt lute luup n-up nccc nccf nccn nccp nccr ncct nccu ncec ncee ncef ncel ncen ncep ncer ncfc ncfe nclc ncln nclr ncnc ncpc ncrc ncre ncrp nctc ncte nctr ncue necc nece necr nect neef neel neen neep neer neet nefe neff nefl nelc nele nelf nell nelt nene nent nenu nepc nepe nepr nept nerc nere nerf nerl nerr nert neru net- nete nett neuc neue neuf neun neur neut neuu nfct nfcu nfer nfff nftc nlcc nlcf nlec nler nlpc nlrp nnnn nnpr nntn npcc nppc nppl nprt nptc npte nptn nren nrfc nrpc nrpn nrrc nrrl nrtl ntcc nter nteu ntfc ntfl ntfp ntnu ntpc ntrc ntrl ntru nttr ntuc nuce nucu nuee nuel nuer nuff nule null nunc nune nunn nunt nupe nurc nure nurl nurn nurp nurr nurt nuru nute nutt nutu pccc pcce pccl pcep pcer pcfc pcll pcnt pcpn pcpp pcrc pcre pcrf pcrl pcte pcun pece pecl pecr pect peec peel peen peep peer peet pefc peff pel- pele pelf pell pelt pelu pen- penc pene penn pent penu pepe per- perc pere perf perl pern perp perr pert peru pete petn petr pett peul peun peur peut pfce pfet pfff pffr pfft pfte plcc plce ple- plec plee plen plet pleu plff plnt plpp pltf pltt plue plup plur pnec pnet pneu pnln pnnl pnpp pntl pntr pnup ppcc ppen pper pple pppn pppp pprc pprf ppru pptn pptt ppur prcc prcf prcp pre- prec pree pref prel pren prep pret preu prfc prle prlr prnp prtc prtp prtr prue pruf prut pruu ptcc ptcl pten pter ptrf pttc pu-e puce puel puer puet pueu puff puft pule pull pulp pult pulu punc pune punt punu pupe pupl pupu pur- pure purl purp purr puru put- pute putt putu puuc rccc rcep rcet rcfc rcle rcnl rcnr rcpt rctc recc rece recp recr rect recu reef reel reen reep reet refe reff refl refn refr reft refu rele rell relp relt rene renn rent renu repe repl repp repr rept repu rere rert reru rete retr rett reue reuf reul reup reut reuu rfef rffc rffl rftc rlee rlef rleu rncp rnnt rntp rnut rpet rpfc rppn rptn rrfc rrle rrrr rrun rtcc rtce rtee rtfc rtle rtlt rttp ruce ruct ruel ruen ruer ruet rufc rufe ruff ruft rule rull runc rune runf runn runt rupe rupp rupt rurc rure rurp ruru rute rutl rutt rutu ruun tccc tccu tcep tcfc tcnn tctc tcul tecl tecr tect teec teef teel teen teer teet tefc teff tefl teft tel- telc tele tell teln telt telu tenc tene tenn tenp tent tenu tepe tepp tepu ter- terc tere terf tern terp terr teru tete tetr tett tetu teut tfcu tfec tfnp tfpt tftc tftp tlen tncc tnef tnfc tnfl tnut tpcp tper tppp tppr tpte tptp tptr tput trcc trcl tre- trec tree tref tren tret treu trfc trfr trpc trpe trpn trpp trtc trte trtr truc true trun trut truu ttcn ttcp tten tter ttfc ttff ttfn tttt ttul tucc tuel tuen tuer tuet tufc tufe tuff tuft tufu tule tull tulp tulu tunc tune tunn tunu tupe tupu turc ture turf turn turp turr turt turu tute tutl tutt tutu u-rp uccp ucel ucrc ucut uele uell ufcu ufel ufer uffe uftp ulcc ulee ulen ulfe ulft ulle ullr ulne ultt ulul uncc unce uncf uncl uncp unct unec unee unef unen uner unfp unle unlf unlp unne unpc unrf unte unut upen upne upnp uppc uppe uppp uppu uptl upup ure- uret urfe urff urft urle urne urre urte urun urup urur urut utec utel utep uter utne uttu uucp uuen uulu uutf uuuu

-tree c-p-c c-tec ccccc ccell ccett cclef ccnet ccrcl ccrel cctrl cecun ceele ceene ceere cefcu celer cell- celle celte cence cenel ceneu cenpf cenpl cenpn cenpt cent- centr cepet cerc- cerce cerec ceren cerer ceret cerne cerre certe ceten cette cetun cfler cfu-e clcff cleef cleen cleer cleet clefe cleft clene clent clepe clept clerc clere clete clett clue- cluer clufe cluff clune clunt clupe clurr clute clutt cneru cnnfn cnnnn cntln cntnl cntrc cntrl cpcfc cpctc crece creel creen creep creer creft crele crell cren- crepe crept crepu crete cretu creu- creue creul creup crnce crnec crner crrel cruce cruel cruet crufe cruft crule crull crune crunt crupe crure ctcfl cteep cten- ctene ctree ctrlc cttee ctulu cueup cufeu cuffe cufre culet culle cullu culpe culur cunel cunne cunt- cunut cupel cuper cuple cupr- cupul curce curel curer curet curle curll curlu curre curup cutcu cutee cuter cutle cutup cuuel e-ten eccen eccle eccup ectfe eeeee eeler eence eener eenet eepee eeten ef-tu efere efetf effer effet