itll itoi itol itoo itor itpc itri itto lccc lcce lcer lcor lcpc lcpl lcrl lctl lcto lece leco lect leel leep leer leet leic leie leil leio leir leit lele leli lell lelo leoc leoi leor lepe lepi lepo lepp lept lerc lere lero lerp lert lete leti leto lett lice lico licr lict liel liep lier liet liii liir lile lili lill lilo lilt lio- lior lip- lipc lipe lipi lipl lipo lipp lirc lire liri lirl liro lirp lirr lirt lite liti litl lito litr litt llcc llet lllc llll lloc lloo locc loce loci loco loei loic loir loit lole loli loll lolo looc looe lool loop loor loot lope lopi lopp lore lori loro lote loti lotl loto lotr lott lpec lppl lprp lric lroc lroi lrrc lrrr ltcc ltci ltee lttc lttr o-eo occc occi occt oce ocee ocet oclc ocpp ocre ocrl ocro ocrr oct- octe octi octo oec- oecc oeec oeil oele oere oeti oici oier oiii oipc oire oirt oitc oiti olcc ole- olei oleo oler olet olic olie olio olit olle olli ollo olor olot olpc olpe oocr ooer oolo oooo oore oort ootp opec opei opel opep oper opet opic opie opii opio opit ople opo- opor oppi oppo opti opto orce orci orco ore- orec orel oreo orer ori- oric orie oril orio orit orle orlo oro- oroe oror orot orpc orpe orpi orri orro ortc orte orto otcl otee otep oter otic otit oto- otoe otoo otor otpp otre otro otte otti otto pccc pcce pccl pcep pcer pcip pcll pclo pcoe pcpp pcrc pcre pcrl pcte pece peci pecl peco pecr pect peec peel peep peer peet peil peio peip peir peit pel- pele pell pelo pelt peor pepe pepi pepo per- perc pere peri perl pero perp perr pert pete peti peto petr pett picc pice pici pico picr pict piel piep pier piet piip pil- pile pili pill pilo pilt piot pipe pipi pipo pipp pirc pire piri pirl piro pirr pite piti pito pitr pitt plcc plce ple- plec plee plei pleo plet plie plio plip plit ploc ploo plop plot plpp plri pltt poce poco poel poer poet poil poio pole poli poll polo polt pool poop poor poot pop- popc pope popi popo popp popt porc pore pori poro porr port potc pote poti poto pott ppcc ppci pper ppic ppie pple ppli pplo pppo pppp pprc pptt prcc prcp pre- prec pree prel prep pret pri- prie prii prle prlr pro- proc proe prol proo prop prot prri prtc prti prtp prtr ptcc ptcl pter ptol ptop pttc rccc rcep rcet rcic rcle rcpi rcpo rcpt rctc rcti recc rece reci recp recr rect reel reep reet reii reil reir reit rele rell relo relp relt reol reop reot repe repi repl repo repp repr rept rere reri rero rert rete reti reto retr rett ricc rice rico rict riel riep rier riet rile rill rilo rilp riol riot ripe ripi ripl ripp ripr ript rire riri rite riti ritl rito ritt rlee rocc roce roco roel roer roet roil roio roir roit role roll rolo rolp rolt rooi rool roop roor root rope ropo rorc rore rori roro rort rotc rote roti rotl roto rotr rott rpet rpii rpoe rrle rrrr rtcc rtce rtee rtei rtle rtlt rttp tccc tcep tcpo tctc tecl teco tecr tect teec teel teer teet teic teie teil teip teir tel- telc tele teli tell telo telt teor tepe tepi tepp ter- terc tere teri tero terp terr tete teti teto tetr tett ticc tice tico tie- tiee tiei tiel tieo tiep tier tiet tiit tile till tilo tilr tilt tiop tip- tipc tipe tipi tipo tipp tipt tire tiri tirl tiro tirr titc tite titi tito titp titt tlco tlli toce toci toco toee toei toer toet toie toil toit tol- tole toli toll tolo tolt tool toor toot top- tope topi topo topp topt torc tore tori toro torp torr tort totc tote toti toto totr tott tpcp tper tpir tpol tppp tppr tpte tptp tptr trcc trcl tre- trec tree trei treo tret tri- tric trie tril trio trip trit troc troe troi troo trop trot trpc trpe trpp trtc trte trtr ttcp tteo tter ttoe ttop tttt

-tree c-cor c-p-c c-pop c-tec ccccc cccii cccli ccell ccett cciii ccitt cclii ccrcl ccrel cctrl ceci- cecie cecil ceco- cecri ceele ceelo ceere ceile ceili ceipp ceirt celco celer celi- celic celie celio cell- celle celli cello celo- celte ceoce ceoor ceorl 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 cicle ciele cieli cielo cietc cilec cili- cilic cille cilli ciope cipce cipco ciper cippi cipre cipro circe circo ciric cirie ciril cirio cirr- cirri cirro citec citee citer citie citr- citro citte cleco cleer cleet cleie cleir cleit clepe clept clerc clere clete cleto clett clie clier clipe clipt clire clite clito cloi- cloit cloop cloor cloot clope clore clort clote co-co co-op cocc- cocce cocci cocco coceo cocio cocir cocle cocol cocto coel- coeli coelo coepe coete coice coill coire coiro coite cole- colee colel coleo coler colet coli- colic colie colit coll- colle colli collo colo- colop color colp- colpo colre cooee cooer cooie coole cooli coolo coope coopt coore coote copce copec copei copel coper copic copie copii copir copit cople coppe coppi coppo copr- copre copro copte copto corce core- coree corel corer corie corio coro- coroi corol corop corot corpe corre corri corrl corte corti corto cotel coter cotle cott- cotte cotto cpctc cpeir crece creel creep creer creil creio crele crell creo- creop creot crepe crept crete crice crier crile crio- cripe cript crito croce croci croco croil croll crooe crool croop croot cropc crope cropo crore crote crott crrel cteep ctree ctrie ctrip ctrlc ctrol cttee cttoi e-pro eccle ecipe ecole ecoli ecolo ecori ecorp ecrit