-tree c-cor c-tec ccccc cccii ccett ccifc cciii ccitt ceci- cecie ceco- cecri ceere cefor ceirt ceoce ceoor cerc- cerce cerci cerco cerec cerer ceret ceric cerie cerio cero- ceroc cerre cerro certe cetic ceto- cette cicer cietc cifer cifft cifte circe circo ciric cirie cirio cirr- cirri cirro citec citee citer citie citr- citro citte co-co cocc- cocce cocci cocco coceo cocio cocir cocto coete cofer coffe cofio cofir cofre coice coifi coire coiro coite cooee cooer cooie coore coote corce core- coree corer corfe corfo corie corio coro- coroi corot corre corri corte corti corto coter cott- cotte cotto crece creer creft creio creo- creot crete crice crier crio- crito croce croci croco croft crooe croot crore crote crott ctree ctrie cttee cttoi e-fit ecoff ecori ecrit ectfe ecto- ector ectot eeeee eerie eetti efere eferi efetf effer effet effie effio efore efrei efter eieio eirie eiter eitri eofor eorre erect erere erice erier eriff eriic erio- erite eroor erore eroto error erte erter etete etio- etite etoro etree etter ettie fecit feeor feere fefor feier feoff ferce feret feric ferie ferio ferit ferr- ferre ferri ferro ferte feter feti- fetii fetir feto- fetor fette ficco fieee fieri fiero fifer fifie fiore fiori firee firei firer firie firit firre fitit fitof fitor fitri fitte fitto focer foeti foir- foire foore foote footi force fore- foreo foret forio forit forro forte forti forto fotte freei freer freet freir freit frere frett frice frico frier frite frito fritt froit froot frore frote ftrtt ice-t iceci iceit icici icier icter ictic iecee ieiri ierei ieroe iette if-- ifere iffet ifrit ifttt iiiee iiiii iitti ioffe ioooi ioooo iorio iotic iotit iotti ircii irece irete irico irite irori irrit irtec itero itete itfet itfit itfor itire itoff itter ittoo ittre ittti o-fer occii ocftc ocice ocoee ocote ocree ocrie octet octic octo- octor oeco- oeiro offer offie offir offit offof offre offto ofice ofori ofoto ofter oirot oitti oo-er oocre ooioo ooooo oorie orcet oreco oreo- oreoi orere orero orfei orfeo orfoe orfor orice orito oroco oroer orret orter ortet ortoo otere oteri otero otice otoce otori ototo otric otter ottir ottoi r-co- rcirc recce recco recet recio recit rect- recte recti recto reece reefe reeft reere reeti refco refer refet reffe reffo refit reice reiff reoti rere- reree reret reric rerir retee reter retie retro rette retto ri-fi ricci ricco ricer riefe rieti rifer riife ririe ro-ro rocco rocio rocor roero roffe rofor roiot roite rooer roofe rooft roore roote rorer roric roter rotie roto- rotor rotot rotte rotti rotto rtice tecic tefe teffi teito teoco terce terco teret terif teroi teror terre terri terro tert- teter tetr- tetri tetro tette ti-ti ticci ticer tieit tiere tieri tiero tieto tiffe tiore tiree tireo tirer tiret tirit tiro- tiroi titcr titer titii titof titre titte titti tocci tocco toco- toece toeic toeit toeof toerr toeto tofet toffo tofit tofor tofte toico toore torce toreo toret toric torii torio torit torre torri torro torte torti torto toter toti- totie toto- totoe totoo totte treco treer treet trefe treff treie treif treit trere treri trete trett trice trico triei trier triet trife trior trit- trite trito tritt troco troee trofe troff troft troic troie trott ttttt