irer iri- iric irie iril irip irpc irpe irrc irre irri irte irti irtp irul itec itel itep iter itet itic itie itil itll itpc itri itup itur iucc iuce iuel iuiu iupp izel izet izle izze lccc lcce lcer lcpc lcpl lcrl lctl le-u lece lect leel leep leer leet leic leie leil leir leit lele leli lell lelu lepe lepi lepp lept lerc lere lerp lert lete leti lett leuc leur leze lice licr lict liel liep lier liet lieu liez liii liir lile lili lill lilt lilu lip- lipc lipe lipi lipl lipp lipu lirc lire liri lirl lirp lirr lirt liru lite liti litl litr litt litu litz liue liut lizi lizl llcc llet lleu lllc llll lpec lppl lprp lric lrpu lrrc lrrr ltcc ltci ltee lttc lttr ltuc luce luci luer luit luiz lule luli lull lulu lulz lupe lupi lupu lure luri lurt lurz lute luti lutz luup luze luzi lzip lztt pccc pcce pccl pcep pcer pcip pcll pcpp pcrc pcre pcrl pcte pece peci pecl pecr pect pecz peec peel peep peer peet peil peip peir peit pel- pele pell pelt pelu pelz pepe pepi per- perc pere peri perl perp perr pert peru pete peti petr pett petz peul peur peut peze picc pice pici picr pict picu piel piep pier piet piip pil- pile pili pill pilt pilu pilz pipe pipi pipp pirc pire piri pirl pirr piru pite piti pitr pitt pitu pitz pize plcc plce ple- plec plee plei plet pleu plie plip plit plpp plri pltt plue plup plur ppcc ppci pper ppic ppie pple ppli pppp pprc ppru pptt ppur prcc prcp pre- prec pree prel prep pret preu prez pri- prie prii prle prlr prri prtc prti prtp prtr prue prut pruu ptcc ptcl pter pttc ptui pu-e puce puel puer puet pueu puir puit puiu pule puli pull pulp pult pulu pupe pupi pupl pupu pur- pure puri purl purp purr puru put- pute puti putt putu putz puuc puzi pzzl rccc rcep rcet rcic rcle rcpi rcpt rctc rcti recc rece reci recp recr rect recu recz reel reep reet reii reil reir reit reiu reiz rele rell relp relt repe repi repl repp repr rept repu rere reri rert reru rete reti retr rett retz reue reul reup reut reuu reze rezi rezu ricc rice rict riel riep rier riet rieu riez rile rill rilp rilu ripe ripi ripl ripp ripr ript rire riri rite riti ritl ritt ritu ritz riue rize rizi rizu rizz rlee rleu rpet rpii rrle rrrr rtcc rtce rtee rtei rtle rtlt rttp ruce ruci ruct ruel ruer ruet ruez ruit ruiz rule rull rupe rupp rupt rurc rure ruri rurp ruru rute ruti rutl rutt rutu ruze ruzi rzip tccc tccu tcep tctc tcul tecl tecr tect teec teel teer teet teez teic teie teil teip teir teiu tel- telc tele teli tell telt telu telz tepe tepi tepp tepu ter- terc tere teri terp terr teru tete teti tetr tett tetu tetz teut tezu tezz ticc tice tie- tiee tiei tiel tiep tier tiet tiit tiiu tile till tilr tilt tip- tipc tipe tipi tipp tipt tipu tire tiri tirl tirr tiru titc tite titi titp titt titu titz tizi tizz tlli tpcp tper tpir tppp tppr tpte tptp tptr tput trcc trcl tre- trec tree trei tret treu trez tri- tric trie tril trip trit triz trpc trpe trpp trtc trte trtr truc true trut truu ttcp tter tttt ttul tucc tuei tuel tuer tuet tuil tuit tuiu tule tuli tull tulp tulu tupe tupi tupu turc ture turi turp turr turt turu tute tuti tutl tutt tutu tuzi tuzu tuzz tzur tzut tzzt u-ie u-rp ucci uccp ucel ucil ucrc ucut ueir uele ueli uell uepi uetz uile uipi uirr ulcc ulee ulez ulic ulie ulle ulli ullr ulti ultt ultz ulul upci upic upie uppc uppe uppp uppu upri uptl upup urci ure- uret uric urie uriu urle urre urri urte urup urur urut uruz utec utel utep uter util utri utti uttu uucp uulu uuri uuuu uzel uzer uzzi zctu zeel zeep zeil zeir zeit zele zeli zell zepp zeri zert zete zeze zice ziel ziip zile zill zipp zirc ziri zirp ziti zizi zizz zrce zrtp zrze zuce zule zull zulu zulz zurr zuru zuul zuzu zzzz

-tree c-p-c c-tec ccccc cccii cccli ccell ccett cciii ccitt cclii ccrcl ccrel cctrl ceci- cecie cecil cecri ceele ceere ceile ceili ceipp ceirt ceize celer celi- celic celie cell- celle celli celte cepci cepet cepic cepie cepii cerc- cerce cerci cerec cerer ceret ceric cerie cerre certe cetic cette ceuti cicer ciceu cicle ciele cieli cietc cilec cili- cilic cille cilli cipce ciper cippi cipre circe cirez ciric cirie ciril cirr- cirri citec citee citer citie citr- citte ciuti cizer cizre cizur cleer cleet cleie cleir cleit clepe clept clerc clere clete clett clie clier clipe clipt clipz clire clite clue- cluer clupe clurr clute clutt cpctc cpeir cpi-u cpu-z crece creel creep creer creil crele crell crepe crept crepu crete cretu creu- creue creul creup crice crier crile cripe cript crize crizz crrel cruce cruel cruet crule crull crupe crure cruze cruzi cteep ctree ctrie ctrip ctrlc ctrlz cttee ctulu cucei cucui cueup cuire cuite culet culle cullu culpe culti culur cupel cuper cupic cuple cupr- cupul curce curel curer curet curic curie curle curll curlu curlz curre curri curti curup cutcu cutee cuter cuti- cutie cutit cutle cutup cuuel eccle eccup ecczt ecipe ecize ecrit eeeee eeler eepee eerie eetti eiler eilet eipic eipri eirie eitel eiter eitri eizie elect eleet elele eleri eleut elice eliel elite elize elizi ellel eller ellet ellie ellul elpee elper elrec elric eluci elulu eluru elute elzie eperc epice eppie epuli epure erect erept erere eretz erice erier eriic erite eritu erpel errtu erte ertel erter ertil eruct erupt etete etile etite etree ettel etter ettie ettle eturu etzel eucip eucre euell euler