-tree c-cor c-tec ccccc cccii ccett cciii ccitt ceci- cecie ceco- cecri ceere ceirt ceoce ceoor cerc- cerce cerci cerco cerec cerer ceret ceric cerie cerio cero- ceroc cerre cerro certe cetic ceto- cette cewit cicer cietc circe circo ciric cirie cirio cirr- cirri cirro citec citee citer citie citr- citro citte co-co cocc- cocce cocci cocco coceo cocio cocir cocow cocto coete coice coire coiro coite cooee cooer cooie coore coote corce core- coree corer corie corio coro- coroi corot corre corri corte corti corto coter cott- cotte cotto cowee cower cowie cowre crece creer creio creo- creot crete crewe crice crier crio- crito croce croci croco crooe croot crore crote crott crowe crwet ctree ctrie cttee cttoi cwire ecori ecrit ecto- ector ectot eeeee eerie eetti eieio eirie eiter eitri eorre erect erere erewe erice erier eriic erio- erite eroor erore eroto errew error erte erter etete etio- etite etoro etree etter ettie etwee ewert ice-t iceci iceit icici icier icter ictic iecee ieiri ierei ieroe iette iiiee iiiii iitti ioooi ioooo iorio iotic iotit iotti ircii irece irete irewe irico irite irori irrit irtec itero itete itewe itire itter ittoo ittre ittti iwccw iwere iwiec iwore iworo iwowe iwrit occii ocice ocoee ocote ocree ocrie octet octic octo- octor oeco- oeiro oirot oitti oo-er oocre ooioo ooooo oorie oowee orcet oreco oreo- oreoi orere orero orice orito oroco oroer orret orrow orter ortet ortoo ortwo orwoe otere oteri otero otice otoce otori ototo otric otter ottir ottoi oweit oweto owre- owte- owtte owwie r-co- rcirc recce recco recet recio recit rect- recte recti recto reece reere reeti reewe reice reoti reowe rere- reree reret reric rerir rerow retee reter retew retie retow retro rette retto rewer rewet ricci ricco ricer rieti ririe ro-ro rocco rocio rocor roero roewe roiot roite rooer roore roote rorer roric roter rotie roto- rotor rotot rotte rotti rotto rowce rower rowet rowte rowto rowwe rtice tecic teito teoco terce terco teret teroi teror terre terri terro tert- teter tetr- tetri tetro tette tewer tewet tewit tewor ti-ti ticci ticer tieit tiere tieri tiero tieto tiore tiree tireo tirer tiret tirit tiro- tiroi titcr titer titii titre titte titti tocci tocco toco- toece toeic toeit toerr toeto toetw toico toore torce toreo toret toric torii torio torit torow torre torri torro torte torti torto toter toti- totie toto- totoe totoo totte totwo towee tower towie towit towoo towre treco treer treet treie treit trere treri trete trett trewe trice trico triei trier triet trior trit- trite trito tritt triwe troco troee troic troie trott trowe trwce ttttt tweer tweet tweie twere twice twier twire twite twoer twoor twort twote twoto weere weero weert weete weier weire weite weorc weore weote weowe werce were- werei werew werie werre werte weter wetoo wette wetto wi-wi wicie wicor wietc wirer wirie wirwe witer witic witie witow witte witti woeto woice wooer woore woori woote woree worie worow worre wotte wowee wowie wowio wowow wowte wrete wrett wrier write wroie wroot wrote wrowe ww-ii wwiii wwwww