ruct ruel ruer ruet rule rull rulo rurc rure ruro ruru rute rutl ruto rutt rutu ruve ruvu rv-c rver tccc tccu tcov tctc tcul tecl teco tecr tect teec teel teer teet teev tel- telc tele tell telo telt telu teor ter- terc tere tero terr teru tete teto tetr tett tetu teut tevl tlco toce toco toee toer toet tol- tole toll tolo tolt tolu tool toor toot torc tore toro torr tort toru torv totc tote toto totr tott toul tour tout touv tove tovo trcc trcl tre- trec tree treo tret treu trev troc troe troo trot trou trtc trte trtr truc true trut truu trvl tteo tter ttoe tttt ttul tucc tuco tuel tuer tuet tule tull tulo tulu tuor turc ture turo turr turt turu tute tutl tuto tutt tutu tuuo tvel tver tvro tvrr tvtv ucel ucrc uctv ucut uele uell ulcc ulco ulee uleo ulle ullo ullr ulo- uloc ulto ultt ulul uocc uolc uor- uore uovo ure- uret urle uro- urol uroo urre urte urur urut urve utec utel uter utor utto uttu uulu uuoc uuuu uv-c uvel uver uvvu vecc veel veer veet vel- vele vell velo velt velu veol veor ver- vere verl vero vert vete veto vetr veur veve vevo vlcc vloc vlvt voce voel voer voet voeu volc vole voll volo volt vooc vool voor voot vor- vore voro vort voru vote voto voue voul vour vout vreo vret vroc vrot vrto vtec vtol vtvl vuco vuel vull vult vurt vutv vver vvvv

-tree c-cor c-evo c-tec ccccc ccctv ccell ccett ccrcl ccrel cctrl ceco- ceele ceelo ceere celco celer cell- celle cello celo- celov celte ceoce ceoor ceorl cerc- cerce cerco cerec cerer ceret cero- ceroc cerou cerre cerro certe cervo ceto- cette cleco cleer cleet clerc clere clete cleto clett cleve clevo clevr cloor cloot clore clort clote cloue clour clout clove clue- cluer clurr clute clutt cluve co-co cocc- cocce cocco coceo cocle cocol cocto cocur coel- coelo coete coeur coeve cole- colee colel coleo coler colet coll- colle collo colo- color colre colur cooee cooer coole coolo coore coote corce core- coree corel corer coreu corlu coro- corol corot corre corrl corte corto cortv corve corvo cotel coter cotle cott- cotte cotto cottu cotul couco couer coule coull coult coure courl court couru couto coutu couve covel coveo cover covet crece creel creer crele crell creo- creot crete cretu creu- creue creul creve croce croco croll crooe crool croot crore crote crott croul crout crove crrel cruce cruel cruet crule crull cruor crure cruve ctree ctrlc ctrol cttee ctulu cuero cueto cuevo culet culle cullu culot culto culur cuoco cuore curce curel curer curet curle curll curlo curlu curre curro curto curve cutco cutcu cutee cuter cutle cutov cutro cutto cuuel cuvee cvrce eccle ecole ecolo ecorv ecto- ector ectot eeeee eelco eeler eevee eever elcor elcot elect eleet elele eleo- eleot eleut eleve ellel eller ellet elloe ellul eloee elole eloor elore eloro elote elout elrec eltro elulu eluru elute elver elvet eorre ercol erect erere ereve eroor erore eroto errol error errtu erte ertel erter eruct etete etoll etool etoro etour etree ettel etter ettle eturu eucre euell euler eurel euro- eurre evell evere evero everr evert evete evett eveve evolo evolv evoor evote evour evvol lecce lecco leece leeco leell leere leert leeve leleu lelle lelov leove lerer leroc lerot letot letov letre lette letto letur leuc- leuce leuco leuro levec levee level lever levet levo- levor levre levuo loco- locro loeve loler lollo lolol looce loocv looer loore loote loove lorel loreo lorer loret lorre lorut lotec lotor lotru lotte lotto louce louer loule loure louro lovce lovee lover lovet loveu lovre lovro ltcol lucee lucet lucre lucur lueve lulec lulle lulov lulte luluc lulul lurer lurue lurve lute- luteo luter lutol lutte lutto luver lvovo occur ocelo ocllo ocoee ocote ocree octet octo- octol octor ocul- oculo oeco- oelet oelve oerel oerle oleo- olere olleo oller ollur olotu olour olovo oltet oltre olver oo-er oocre ooooo oovoo orcet oreco orell oreo- orere orero orlec orlet orlov oroco oroer orolu orout orret orter ortet ortoo oruce oruro orutu orvet otell otelo otere otero otoce otole otolo ototo otour otrov otter ottov ottur otulu oture ouert oullo ouoro ource oure- ourol outer outre outro outto outtv ouver ouvre oveco over- overo overt ovett ovolo ovule r-co- rcolo recce recco recet rect- recte recto recue recur recut reece reere reeve relee relet rello relot relov relte relue rere- reree reret retee retel reter retro rette retto reuel reuer reuet reule reute revco revel rever revet revle revol revue ro-ro rocco rocor rocou rocov roell roero roleo rollc rolle rollo rooer roole roore roote rooue roove rorer rotel roter rotle roto- rotol rotor rotot rotte rotto rouer rouet roule roull roure route routt rover rtrev rttov rucer rucul ruele ruell ruere ruete ruler rullo rurec ruter rutle rutte rutul ruule ruutu rvlot tcell tecou tecul teele teell telce telco tele- telec teleo teler teleu tell- telle tello telo- telve teoco teolo teotl terce terco teret tereu teror terre terro tert- teruo terve tervo tetel teter tetle tetov tetr- tetro tette teuto teuvo tevel tevet tevot tlell tlett tocco toco- tocut toece toerr toeto toler tolet tolle tollo toloo tolor tolu- tolve toole toolt toore torce torel toreo toret torre torro torte torto tortu torue torul torve totel toter totle toto- totoe totoo totte touel toule toull toure touro toute tover tovet treco treer treet trele trere trete trett treut treve troco troee troll trott troue troul trout trove trovo truce truco truel truer trule trull truro trute trutv truvo ttttt tucet tuctu tuell tuelt tuero tulce tulet tulle tulor tulou tuotu turco turel turet turle turoc turot turov turre turro turtu turul turut turve turvo tutee tutel tuteo tutle tutor tutte tutto tuuru tvtel tvvcr u-cee uccel uccle ucell ucero uclue ulcer ulcot ullet ullur ulteo ultre ululu uluru ulver uouee urcel