-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 cerre cerro certe cervo ceto- cette cleco cleer cleet clerc clere clete cleto clett cleve clevo clevr cloor cloot clore clort clote clove co-co cocc- cocce cocco coceo cocle cocol cocto coel- coelo coete coeve cole- colee colel coleo coler colet coll- colle collo colo- color colre cooee cooer coole coolo coore coote corce core- coree corel corer coro- corol corot corre corrl corte corto cortv corve corvo cotel coter cotle cott- cotte cotto covel coveo cover covet crece creel creer crele crell creo- creot crete creve croce croco croll crooe crool croot crore crote crott crove crrel ctree ctrlc ctrol cttee cvrce eccle ecole ecolo ecorv ecto- ector ectot eeeee eelco eeler eevee eever elcor elcot elect eleet elele eleo- eleot eleve ellel eller ellet elloe eloee elole eloor elore eloro elote elrec eltro elver elvet eorre ercol erect erere ereve eroor erore eroto errol error erte ertel erter etete etoll etool etoro etree ettel etter ettle evell evere evero everr evert evete evett eveve evolo evolv evoor evote evvol lecce lecco leece leeco leell leere leert leeve lelle lelov leove lerer leroc lerot letot letov letre lette letto levec levee level lever levet levo- levor levre loco- locro loeve loler lollo lolol looce loocv looer loore loote loove lorel loreo lorer loret lorre lotec lotor lotte lotto lovce lovee lover lovet lovre lovro ltcol lvovo ocelo ocllo ocoee ocote ocree octet octo- octol octor oeco- oelet oelve oerel oerle oleo- olere olleo oller olovo oltet oltre olver oo-er oocre ooooo oovoo orcet oreco orell oreo- orere orero orlec orlet orlov oroco oroer orret orter ortet ortoo orvet otell otelo otere otero otoce otole otolo ototo otrov otter ottov oveco over- overo overt ovett ovolo r-co- rcolo recce recco recet rect- recte recto reece reere reeve relee relet rello relot relov relte rere- reree reret retee retel reter retro rette retto revco revel rever revet revle revol ro-ro rocco rocor rocov roell roero roleo rollc rolle rollo rooer roole roore roote roove rorer rotel roter rotle roto- rotol rotor rotot rotte rotto rover rtrev rttov rvlot tcell teele teell telce telco tele- telec teleo teler tell- telle tello telo- telve teoco teolo teotl terce terco teret teror terre terro tert- terve tervo tetel teter tetle tetov tetr- tetro tette tevel tevet tevot tlell tlett tocco toco- toece toerr toeto toler tolet tolle tollo toloo tolor tolve toole toolt toore torce torel toreo toret torre torro torte torto torve totel toter totle toto- totoe totoo totte tover tovet treco treer treet trele trere trete trett treve troco troee troll trott trove trovo ttttt tvtel tvvcr vecer vecov veeco veele veell veere veeve velct velet velev velle vello veole veoll verco verel verlo verol verot verre verte verve vetco vetel vetle vette vetto vevce veveo vever vlott voere volee voler volet volle volot volte volto volve volvo voore vorce vorel vorre vorte votel voter votre votto vreel vrelo