peep peer peet peev peil peio peip peir peit pel- pele pell pelo pelt pelu peor peou pepe pepi pepo per- perc pere peri perl pero perp perr pert peru perv pete peti peto petr pett peul peur peut picc pice pici pico picr pict picu piel piep pier piet piip pil- pile pili pill pilo pilt pilu piot pipe pipi pipo pipp pirc pire piri pirl piro pirr piru pite piti pito pitr pitt pitu pivo plcc plce ple- plec plee plei pleo plet pleu plie plio plip plit ploc ploo plop plot plou plov plpp plri pltt plue plup plur plvi poce poco poel poer poet poil poio pole poli poll polo polt polu pool poop poor poot pop- popc pope popi popo popp popt porc pore pori poro porr port potc pote poti poto pott potu poui poul poup pour pout povl povo ppcc ppci pper ppic ppie pple ppli pplo pppo pppp pprc ppru pptt pptv ppur prcc prcp pre- prec pree prel prep pret preu prev pri- prie prii priv prle prlr pro- proc proe prol proo prop prot prou prov prri prtc prti prtp prtr prue prut pruu ptcc ptcl pter ptol ptop pttc ptui pu-e puce puel pueo puer puet pueu puir puit puiu pule puli pull pulo pulp pult pulu pulv pupe pupi pupl pupu pur- pure puri purl puro purp purr puru put- pute puti puto putt putu puuc pvco pvlv rccc rcep rcet rcic rcle rcpi rcpo rcpt rctc rcti rctv rcuv rcvr recc rece reci recp recr rect recu reel reep reet reev reii reil reir reit reiu rele rell relo relp relt reol reop reot reou repe repi repl repo repp repr rept repu rere reri rero rert reru rete reti reto retr rett reue reul reup reut reuu reve revi revo revp ricc rice rico rict riel riep rier riet rieu rile rill rilo rilp rilu riol riot riou ripe ripi ripl ripp ripr ript rire riri rite riti ritl rito ritt ritu riue rive rivo rivp rlee rleu rocc roce roco roel roer roet roev roil roio roir roit roiu role roll rolo rolp rolt rooi rool roop roor root rope ropo rorc rore rori roro rort roru rotc rote roti rotl roto rotr rott roue roul roup rout rove rovi rovo rpet rpii rpoe rrle rrrr rtcc rtce rtee rtei rtle rtlt rttp rtve rtvi ruce ruci ruct ruel ruer ruet ruit rule rull rulo rupe rupp rupt rurc rure ruri ruro rurp ruru rute ruti rutl ruto rutt rutu ruve ruvi ruvu rv-c rver tccc tccu tcep tcov tcpo tctc tcul tecl teco tecr tect teec teel teer teet teev teic teie teil teip teir teiu tel- telc tele teli tell telo telt telu teor tepe tepi tepp tepu ter- terc tere teri tero terp terr teru tete teti teto tetr tett tetu teut tevl ticc tice tico tie- tiee tiei tiel tieo tiep tier tiet tiit tiiu tile till tilo tilr tilt tiop tiou tip- tipc tipe tipi tipo tipp tipt tipu tire tiri tirl tiro tirr tiru titc tite titi tito titp titt titu tivi tivo tlco tlli toce toci toco toee toei toer toet toie toil toit tol- tole toli toll tolo tolt tolu tool toor toot top- tope topi topo topp topt topu topv torc tore tori toro torp torr tort toru torv totc tote toti toto totr tott toui toul toup tour tout touv tove tovo tpcp tper tpir tpol tppp tppr tpte tptp tptr tput trcc trcl tre- trec tree trei treo tret treu trev tri- tric trie tril trio trip trit troc troe troi troo trop trot trou trpc trpe trpp trpv trtc trte trtr truc true trut truu trvl ttcp tteo tter ttoe ttop tttt ttul tucc tuco tuei tuel tuer tuet tuil tuit tuiu tule tuli tull tulo tulp tulu tuor tupe tupi tupo tupu turc ture turi turo turp turr turt turu tute tuti tutl tuto tutt tutu tuuo tvel tver tvil tvri tvro tvrr tvtv u-ie u-rp ucci uccp ucel ucil ucio ucrc uctv ucut ueir uele ueli uell uepi uile uipi uirr ulcc ulco ulee uleo ulic ulie ulle ulli ullo ullr ulo- uloc ulti ulto ultt ulul ulvi uocc uolc uor- uore uovo upci upic upie uplo upor uppc uppe uppp uppu upri uptl upto uptv upup upvc urci ure- uret uric urie uriu urle uro- urol uroo urpo urre urri urte urup urur urut urve utec utel utep uter util utor utri utti utto uttu uucp uulu uuoc uuri uuuu uv-c uvel uver uvic uvri uvvu vcci vecc veci veel veep veer veet veie veii veil veip veir veit vel- vele veli vell velo velp velt velu veol veor vepe vepr ver- vere veri verl vero vert vete veti veto vetr veur veve vevi vevo vic- vice vici vico vict viel vier viet vieu viii vile vili vill vilt vilu viol vipr virc vire viri virl viro virr virt viru vite viti vito vitt vitu viue vive vivi vivo vlcc vlci vlei vlie vlli vloc vlvt voce voei voel voer voet voeu voic voie voil voio voip voir voit volc vole voli voll volo volp volt vooc vool voor voot vopt vor- vore vori voro vort voru vote voto votp voue voul vour vout vplp vpro vrci vreo vret vril vrio vroc vrot vrto vt-i vtec vtol vtpr vtvl vuco vuel vuir vuit vull vult vurp vurt vuti vutv vver vvvv

-tree c-cor c-evo c-p-c c-pop c-tec ccccc cccii cccli ccctv cccvi ccell ccett cciii ccitt cclii ccliv ccrcl ccrel cctrl ccvii ceci- cecie cecil ceco- cecri ceele ceelo ceere ceile ceili ceipp ceirt celco celer celi- celic celie celio cell- celle celli cello celo- celov celte ceoce ceoor ceorl cepci cepet cepic cepie cepii cepot ceppo cerc- cerce cerci cerco cerec cerer ceret ceric cerie cerio cero- ceroc cerou cerre cerro certe cervi cervo cetic ceto- cette ceuti cevio cicer ciceu cicle cicov ciele cieli cielo cietc cilec cili-