ocre ocro ocrr oct- octe octi octo ocur oec- oecc oeec oere oeti oeuf ofcr ofer off- offc offe offo offr offu ofit ofor ofre oici oier oiii oire oirt oitc oiti oocr ooer ooff oooo oore oort orce orci orco ore- orec oreo orer orfe orff orfi orfu ori- oric orie orif orio orit oro- oroe orof oror orot orri orro ortc orte orto otee oter otfc otic otif otit oto- otoe otof otoo otor otre otro otte otti otto ottu otur oucc ouer oufc oufe ouff ouie ouii ouir ouit our- oure ouro ourt out- oute outi outo ouu- rccc rcet rcfc rcic rctc rcti recc rece reci recr rect recu reef reet refe reff refi refr reft refu reif reii reir reit reiu reof reot reou rere reri rero rert reru rete reti reto retr rett reue reuf reut reuu rfef rffc rfic rftc ricc rice rico rict rief rier riet rieu rife riff rift rifu riif riot riou rire riri rite riti rito ritt ritu riue rocc roce roco roer roet rofc rofe roff rofo roif roio roir roit roiu roof rooi roor root rorc rore rori roro rort roru rotc rote roti roto rotr rott roue rouf rout rrfc rrif rrrr rtcc rtce rtee rtei rtfc ruce ruci ruct ruer ruet rufc rufe ruff rufo ruft ruif ruit rurc rure ruri ruro ruru rute ruti ruto rutt rutu tccc tccu tcfc tctc teco tecr tect teec teef teer teet tefc teff tefi teft teic teie teir teiu teor ter- terc tere terf teri tero terr teru tete teti teto tetr tett tetu teut tfcu tfec tfot tftc ticc tice tico tie- tiee tief tiei tieo tier tiet tiff tifo tift tiit tiiu tiou tire tiri tiro tirr tiru titc tite titi tito titt titu toce toci toco toee toei toer toet toff tofi tofo toft tofu toie toit toof toor toot torc tore torf tori toro torr tort toru totc tote toti toto totr tott toui tour tout trcc tre- trec tree tref trei treo tret treu trfc trfr tri- tric trie trif trio trit troc troe troi troo trot trou trtc trte trtr truc true trut truu tteo tter ttfc ttff ttoe tttt tucc tuco tuei tuer tuet tufc tufe tuff tufi tufo tuft tufu tuit tuiu tuor turc ture turf turi turo turr turt turu tute tuti tuto tutt tutu tuuo u-ie ucci ucio ucrc ucut ueir ufcu ufer uffe uirr uocc uofo uor- uore urci ure- uret urfe urff urfi urft uric urie urif uriu uro- uroo urre urri urte urur urut utec uter utfo utor utri utti utto uttu uuoc uuri uutf uuuu

-tree c-cor c-tec ccccc cccii ccett ccifc cciii ccitt ceci- cecie ceco- cecri ceere cefcu cefor ceirt ceoce ceoor cerc- cerce cerci cerco cerec cerer ceret ceric cerie cerio cero- ceroc cerou cerre cerro certe cetic ceto- cette ceuti cfour cfu-e cicer ciceu cietc cifer cifft cifte circe circo ciric cirie cirio cirr- cirri cirro citec citee citer citie citou citr- citro citte ciuti co-co cocc- cocce cocci cocco coceo cocio cocir cociu cocto cocur coete coeur cofer coffe cofio cofir cofre cofur coice coifi coire coiro coite cooee cooer cooie coore coote corce core- coree corer coreu corfe corfo corfu corie corio coro- coroi corot corre corri corte corti corto coter cott- cotte cotto cottu cotui couco couer coure couri court couru couto coutu crece creer creft creio creo- creot crete cretu creu- creue crice crier crio- crito croce croci croco croft crooe croot crore crote crott crout cruce cruet crufe cruft cruif cruor crure ctree ctrie cttee cttoi cucei cucui cuero cueto cufeu cuffe cufic cufre cuire cuite cuoco cuore curce curer curet curic curie curio curre curri curro curti curto cutco cutcu cutee cuter cuti- cutie cutit cutro cutto e-fit ecoff ecori ecrit ectfe ecto- ector ectot eeeee eerie eetti ef-tu efere eferi efetf effer effet effie effio efore efrei efter efuru efutu eieio eirie eiter eitri eofor eorre erect erere erice erier eriff eriic erio- erite eritu eroor erore eroto error errtu erte erter eruct etete etio- etite etoro etour etree etter ettie eturu eucre eufic euric euro- eurre fecit feeor feere fefor feier feoff ferce feret feric ferie ferio ferit ferr- ferre ferri ferro ferte feter feti- fetii fetir feto- fetor fette feuer feute ficco fieee fieri fiero fifer fifie fiore fiori firee firei firer firie firit firou firre fitit fitof fitor fitou fitri fitte fitto focer foeti foir- foire foore foote footi force fore- foreo foret forio forit forro forte forti forto forur fotte fotui fotur fouee fouet foure fouro freei freer freet freir freit frere frett freur frice frico frier frite frito fritt froit froot frore frote fruct fruit frute fruto ftrtt fu-fu fuci- fuco- fuero fuite fuoco furci furie furio furir furo- furor futur ice-t iceci iceit icici icier icter ictic iecee ieiri ierei ieroe iette if-- ifere iffet iffou ifrit ifttt iiiee iiiii iitti ioffe ioooi ioooo iorio iotic iotit iotti ircii irece irete irico irite irori irour irrit irtec itero itete itfet itfit itfor itire itoff itour itout itter ittoo ittre ittti itu-r itu-t ituri ituro ituru itutu iurie o-fer occii occur ocftc ocice ocoee ocote ocree ocrie octet octic octo- octor oeco- oeiro offer offie offir offit offof offre offto ofice ofori ofoto ofour ofter oirot oitti oo-er oocre ooioo ooooo oorie orcet oreco oreo- oreoi orere orero orfei orfeo orfeu orfoe orfor orice orito oroco oroer orout orret orter ortet ortoo oruce oruro orutu otere oteri otero otice otoce otori ototo otour otric otter ottir ottoi ottur oture ouert ouir- ouoro ource oure- ouric ourie outer outie outof outre outro outto r-co- rcirc recce recco recet recio recit rect- recte recti recto recue recur recut reece reefe reeft reere reeti refco refer refet reffe reffo refit refut reice reiff reoti rere- reree reret reric rerir retee reter retie retro rette retto reuer reuet reuir reute reuti ri-fi ricci ricco ricer riceu riefe rieti rifer riife ririe