iceq icer icet icoc icor icrc icre icrf icrr icrt icru icue iecc ieet ieie ieio iere ieri ietf iett ifco ifer ific ifit ifor ifrf ifri ifto iiie iiii iiio iiit iioi iioo iirc iitr iitt iiuc ioci ioee iofc ioii ioio ioit ioof iooi iooo iore iori iote iotf ioto iqce iqer iqor iqrf ique ircc ircu iree irer irfe irfu iri- iric irie irio iroc irrc irre irri irte irtf irti itec iter itet itic itie itif itof itoi itoo itor itou itrf itri ittf itto itur iucc iuce iuef iuiu o-eo occc occi occt oce ocee ocef ocet ocre ocro ocrr oct- octe octi octo ocur oec- oecc oeec oere oeti oeuf ofcr ofeq ofer off- offc offe offo offr offu ofit ofor ofre oici oier oiii oire oirt oitc oiti oocr ooer ooff oooo oore oort oque oqui 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 outq ouu- qcfr qcue qeii qere qeri qero qerq qfet qift qiru qore qqqq qrio qucu quee quer quet quft qufu quic quie quir quit quoc quoi quor quot quri quro qute quu- 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 riqq 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 torq 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 uqcc urci ure- uret urfe urff urfi urft uric urie urif uriu uro- uroo urre urri urte uruq urur urut utec uter utfo utor utri utti utto uttu utuq 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 cequi 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 cireq 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 coque coqui coquo 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 cqout crece creer creft creio creo- creot crete cretu creu- creue crice crier crio- crito croce croci croco crocq croft crooe croot crore crote crott crout cruce crucq 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 equi- 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 fique 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 iqrit iquit ircii irece irete irico irite irori irour irrit irtec itero itete itfet itfit itfor