-tree c-cor c-p-c c-pop c-tec ccccc cccii ccett cciii ccitt ccxii ceci- cecie ceco- cecri ceere ceipp ceirt ceoce ceoor cepci cepet cepic cepie cepii cepot ceppo cerc- cerce cerci cerco cerec cerer ceret ceric cerie cerio cero- ceroc cerre cerro certe cetic ceto- cette cicer cietc ciope cipce cipco ciper cippi cipre cipro circe circo cirex ciric cirie cirio cirr- cirri cirro citec citee citer citie citr- citro citte co-co co-op cocc- cocce cocci cocco coceo cocio cocir cocto coepe coete coice coire coiro coite cooee cooer cooie coope coopt coore coote copce copec copei coper copic copie copii copir copit coppe coppi coppo copr- copre copro copte copto corce core- coree corer corex corie corio coro- coroi corop corot corpe corre corri corte corti corto coter cott- cotte cotto coxie cpctc cpeir crece creep creer creio creo- creop creot crepe crept crete crice crier crio- cripe cript crito croce croci croco croix crooe croop croot cropc crope cropo crore crote crott cteep ctree ctrie ctrip cttee cttoi e-pro ecipe ecori ecorp ecrit ecto- ector ectot eeeee eepee eerie eetti eieio eipic eipri eirie eiter eitri eorre epcot eperc epice epico epopt epote epoxi eppie erect erept erere erice erier eriic erio- erite erixx eroor erore eroto error erte erter etete etext etio- etite etoro etree etter ettie ex-ic excop excpt exect execx exept exert exite exito exopc exopt exore exort exper expro exptr exter extre extro ice-t iceci iceit icici icier icter ictic iecee ieiri iepe ieper ierei ieroe iette iiiee iiiii iitti ioooi ioooo iorio iotic iotit iotti ipcop ipeti ipiti ipopt iport ippee ippei iprex ircii irece irepo irete irico irite irori irpex irrep irrit irtec itero itete itext itire itpro itrip itter ittoo ittre ittti ixopo occii ocice ocoee ocote ocree ocrie octet octic octo- octor oeco- oeiro oeppo oirot oitti oo-er oocre ooioo ooooo oopic oorie opcit opepe opere opici opico opier opiet opio- opir opito opper oppie opter optic optio optix opto- optot optto orcet orcop oreco oreo- oreoi orere orero orexo orice orito oroco oroer oroix oropi orpit orret orter ortet ortoo otere oteri otero otice otoce otori ototo otpor otric otter ottir ottoi oxter oxxio p-o-x p-rep pcepi pcept pcert pci-e pci-x pctct pecco peece peere peeri peert peete peice peire peirt peixe pepco pepee pepoi peppe peppi pept- pepto perce perci perec perer peret peri- peric perie perio perit perot perox perre perri perro perte perti perto petco peter petie petit petr- petre petri petro pette petti petto pexec pexip picco pico- picoe picot picr- picro picti picto piece piere pieri piero piert piiri piotr piper pipet pipex pipit pippi pippo pipri pirce pirex piric pirie pirix pirot pirre pirri pirro piter pitie pitio pitip pitot pitre pitri pitti pitto pixie po-po pocop pocri poeir poete poeti poiet poire poite pooer poope poopo poore poori poort poote popco poper popet popex popoi popop poppe poppi poppo porco porec porer poret poro- poroi porri porro porte porto potco potec potee poter potoc potoo potop potor potpe potro potte potti potto pppox ppxii prece preci preco preie preop prete preti preto price prier priit prior prite priti pritt proer proix proor proot prop- prope propp propr propt prore prot- proti proto proxi prtor pter- ptere pteri ptero ptice ptprc ptpre ptpro ptprr ptprt r-co- rcirc recce recco recep recet recio recip recit recpt rect- recte recti recto reece reepe reere reeti reice reorx reoti repco repec repet repic repit repop repor repot reppe repro reprt rere- reree reret reric rerip rerir retee reter retex retie retip retop retox retro rette retto rexer ricci ricco ricer rieti ripec riper ripio ripit rippe ririe rixoi ro-ro rocco rocio rocor roero roiot roite rooer roope roore roote roper roppe rorer roric roter rotie roto- rotor rotot rotox rotte rotti rotto roxie roxio rprop rptor rripe rtext rtice t-pop t-rex t-top tecic teepe teito teoco tepco tepee tepet tepic tepit tepor teppo terce terco teret terex teroi teror terre terri terro tert- teter tetex tetr- tetri tetro tette texor texte ti-ti ticci ticer tieit tiere tieri tiero tierp tieto tiexi tiore tiper tipet tipit tippi tipto tiree tireo tirer tiret tirit tiro- tiroi titcr titer titii titre titte titti tixte tocci tocco toco- toece toeic toeit toerr toeto toico toore topee toper topet topic topio topit topix topo- topoi topor topot toppo topto torce toreo toret toric torii torio torit torpe torpo torre torri torro torte torti torto torxe toter totex toti- totie toto- totoe totoo totop totte toxi- toxic toxie toxo- tpcit tprot treco treer treet treie treip treit treix trepp trept trere treri trete trett trice trico triei trier triet triip trior tripe tripi tripp tript trit- trite trito tritt troco troee troic troie troop trop- trope tropi tropo trott ttttt xciii xeric xero- xerox xerte xetec xetex xexex xootr xorro xotox xoxox xpect xproc xtext xtort xtree xxiii xxxii xxxix