ipfc ipie ipoe ipop ippc ippf ippo ippr ipri iptc ipto ircc iree irer irfe iri- iric irie irio irip iroc irop irpc irpe irrc irre irri irte irtf irti irtp itec itep iter itet itic itie itif itof itoi itoo itor itpc itrf itri ittf itto o-eo occc occi occt oce ocee ocef ocet ocfp ocpp ocre ocro ocrr oct- octe octi octo oec- oecc oeec oere oeti ofcr ofer off- offc offe offo offr ofit ofor ofre oftp oici oier oiii oipc oire oirt oitc oiti oocr ooer ooff oooo oore oort ootp opec opei opep oper opet opic opie opii opio opit opo- opor oppi oppo opti opto orce orci orco ore- orec oreo orer orfe orff orfi ori- oric orie orif orio orit oro- oroe orof oror orot orpc orpe orpi orri orro ortc orte orto otee otep oter otfc otfp otic otif otit oto- otoe otof otoo otor otpp otre otro otte otti otto pccc pcce pcep pcer pcfc pcip pcoe pcpp pcrc pcre pcrf pcte pece peci peco pecr pect peec peep peer peet pefc peff peio peip peir peit peor pepe pepi pepo per- perc pere perf peri pero perp perr pert pete peti peto petr pett pfce pfet pfff pffr pfft pfic pfit pfte picc pice pici pico picr pict piep pier piet piff piip piot pipe pipi pipo pipp pirc pire piri piro pirr pite pitf piti pito pitr pitt poce poco poer poet poff pofi poio poof poop poor poot pop- popc pope popi popo popp popt porc pore pori poro porr port potc pote potf poti poto pott ppcc ppci pper ppic ppie ppif pppo pppp pprc pprf pptt prcc prcf prcp pre- prec pree pref prep pret prfc pri- prie prif prii pro- proc proe prof proo prop prot prri prtc prti prtp prtr ptcc pter ptop ptrf pttc rccc rcep rcet rcfc rcic rcpi rcpo rcpt rctc rcti recc rece reci recp recr rect reef reep reet refe reff refi refr reft reif reii reir reit reof reop reot repe repi repo repp repr rept rere reri rero rert rete reti reto retr rett rfef rffc rfic rftc ricc rice rico rict rief riep rier riet rife riff rift riif riot ripe ripi ripp ripr ript rire riri rite riti rito ritt rocc roce roco roer roet rofc rofe roff rofo roif roio roir roit roof rooi roop roor root rope ropo rorc rore rori roro rort rotc rote roti roto rotr rott rpet rpfc rpii rpoe rpof rrfc rrif rrrr rtcc rtce rtee rtei rtfc rttp tccc tcep tcfc tcpo tctc teco tecr tect teec teef teer teet tefc teff tefi teft teic teie teip teir teor tepe tepi tepp ter- terc tere terf teri tero terp terr tete teti teto tetr tett tfec tfot tfpt tftc tftp ticc tice tico tie- tiee tief tiei tieo tiep tier tiet tiff tifo tift tiit tiop tip- tipc tipe tipi tipo tipp tipt tire tiri tiro tirr titc tite titi tito titp titt toce toci toco toee toei toer toet toff tofi tofo toft toie toit toof toor toot top- tope topf topi topo topp topt torc tore torf tori toro torp torr tort totc tote toti toto totr tott tpcp tper tpir tppp tppr tpte tptp tptr trcc tre- trec tree tref trei treo tret trfc trfr tri- tric trie trif trio trip trit troc troe troi troo trop trot trpc trpe trpp trtc trte trtr ttcp tteo tter ttfc ttff ttoe ttop tttt

-tree c-cor c-p-c c-pop c-tec ccccc cccii ccett ccifc cciii ccitt ceci- cecie ceco- cecri ceere cefor 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 cifer cifft cifte ciope cipce cipco ciper cippi cipre cipro circe circo 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 cofer coffe cofio cofir cofre coice coifi 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 corfe corfo corie corio coro- coroi corop corot corpe corre corri corte corti corto coter cott- cotte cotto cpcfc cpctc cpeir crece creep creer creft creio creo- creop creot crepe crept crete crice crier crio- cripe cript crito croce croci croco croft crooe croop croot cropc crope cropo crore crote crott cteep ctree ctrie ctrip cttee cttoi e-fit e-pro ecipe ecoff ecori ecorp ecrit ectfe ecto- ector ectot eeeee eepee eerie eetti efere eferi efetf effer effet effie effio efore efrei efter eieio eipic eipri eirie eiter eitri eofor eorre epcot eperc epice epico epopt epote eppie eptfe erect erept 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 firpo 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 fprot frcpc freei freep freer freet freir freit frere frett frice frico frier fripp frite frito fritt froit froop froot frore frote ftrtt ice-t iceci iceit icici icier icter ictic iecee ieiri iepe ieper ierei ieroe iette if-- ifere iffet ifrit iftop ifttt iiiee iiiii iitti ioffe ioooi ioooo iorio iotic iotit iotti ipcop iperf ipeti ipiti ipopt iport ippee ippei ircii irece irepo irete irico irite irori irrep irrit irtec itero itete itfet itfit itfor itire itoff itpro itrip itter ittoo ittre ittti o-fer occii ocftc ocice ocoee ocote ocree ocrie octet octic octo- octor oeco- oeiro oeppo offer offie offir offit offof offre offto ofice