lrts ls-r lscs lses lset lsfc lspl lspr lsrc lssp lssr lsts ltcc ltcs ltee ltfc ltps ltrs ltsp ltsr lttc lttr pccc pcce pccl pccs pcep pcer pcfc pcll pcpp pcps pcrc pcre pcrf pcrl pcse pcte pcts pece pecl pecr pecs pect peec peel peep peer pees peet pefc peff pefs pel- pele pelf pell pels pelt pepe peps per- perc pere perf perl perp perr pers pert pese pess pest pete petr pets pett pfce pfcs pfet pfff pffr pfft pfps pfte plcc plce ple- plec plee ples plet plff plpp plss pltf pltt ppcc ppcs pper pple pppp ppps pprc pprf ppsf ppss ppts pptt prcc prcf prcp prcs pre- prec pree pref prel prep pres pret prfc prfs prle prlr prls prps prrs prsc prse prsl prss prtc prtp prtr psec psel psfs pspp pspr psps psrp pssc psse psst psts ptcc ptcl pter ptrf pttc rccc rccs rcep rcet rcfc rcle rcls rcps rcpt rcsc rcsl rcss rctc rcts recc rece recp recr recs rect reef reel reep rees reet refe reff refl refr refs reft rele rell relp rels relt repe repl repp repr reps rept rere rers rert rese resp ress rest rete retr rets rett rfef rffc rffl rftc rlcs rlee rlef rlls rpcs rpet rpfc rpls rpps rpts rrfc rrle rrrr rrsp rscc rscs rsee rsfc rslc rslp rsps rsre rssl rstp rsts rtcc rtce rtee rtes rtfc rtle rtls rtlt rtps rtss rttp rtts sccc scce sccl sccp sccs scct scec scee scel scep scer scet scfc scfe scl- sclc scls scpe scpl scps scpt scr- scrc scre scrs scsc scsl scsr scst sctc sctl sctr scts se-c se-e se-f se-s se-t sec- secc sece secr secs sect seec seef seel seep seer sees seet seff sefl seft sele self sell sels selt sepe sepp sepr seps sept serc sere serf serp serr sers sert sesc sese sess sest set- setc sete setf setl sets sett sfcc sfcs sfer sffc sflc sfls sfpc sfrc sfss sftp sfts slcc slee slep sler sles slet slft sllp slpp slps slrc slre slrp slrs slsc slst slts spcc spcs spec spee spef spel sper spes spet spfc spfs splc sple splp splr spls sppf spps sprs spse spsp spss spst sptc sptr spts srcc srct srec sres srfc srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset ssfc ssfl ssfp sslc ssle sslp sslt sspc sspe sspf sspl ssps sspt ssrc ssrl ssrs sssc sssf ssss sstc sstl sstp ssts stcc stcp stcs stec stee stef stel step ster stes stet stfc stlc stle stlt stpf stpp stps strc stre strs stsf stss sttc sttr tccc tcep tcfc tctc tcts tecl tecr tecs tect teec teef teel teer tees teet tefc teff tefl teft tel- telc tele tell tels telt tepe tepp ter- terc tere terf terp terr ters tesc tese tesl tesp tess test tete tetr tets tett tfec tfpt tfrs tfss tftc tftp tlrs tpcp tpcs tper tpls tppp tppr tprs tpsc tpte tptp tptr trcc trcl tre- trec tree tref tres tret trfc trfr trpc trpe trpp trps trst trtc trte trtr tscc tscp tsec tses tset tsfc tsfl tsps tspt tsse tssf tssr tsst tstc tsts ttcp tter ttfc ttff ttss tttt

-tree c-p-c c-tec ccccc cccsl ccell ccett cclef ccpls ccrcl ccrel cctrl ceele ceere ceese celer celes cell- celle cells celse celss celte celts cepes cepet cerc- cerce cercs cerec cerer ceres ceret cerfs cerps cerre cerrs cerse cerss certe certs cesce cescr cesse ceste cests cetes cette cfler clcff cleef cleer cleet clefe clefs cleft clepe clept clerc clere cless clete clett cpcfc cpctc cpesc crece creel creep creer crees creft crele crell crepe crept cresc crese cress crest crete crlcs crrel crres cselt csere csprs cstcc ctcfl cteep ctree ctrlc ctrls cttee e-cps eccle ecser ecspp ectfe eeeee eeler eepee ef-ts efere efetf effer effet effts eftel efter elecs elect eleet elefs elele elers eless elest elets ellel eller elles ellet elpee elper elrec elser elses elspe eltrs epees eperc eppes eptfe erecs erect erept erere erest erets erles erpel erres erses erste ersts erte ertel erter ertes esces escle escrt esect esels esere esp-r espec espel esper espre esref esrel essel esser esses essse estce estee estel estep ester estes estet estre etest etete etree etres ettel etter ettes ettle fclef fcsts feces feele feels feere feers feese feets felce felet felle fells felte felts feltt ferce ferel feres feret ferle ferr- ferre ferse ferte feser fesse fest- feste fests fetel feter fetes fette flect fleer flees fleet flere flers flert flete flett frcpc frcsc freel freep freer frees freet frels frere frese fress frest frets frett ftest ftlee ftpfs ftrtt lecce leces lects leece leell leere leers leert leese leest leets leffe lefse lefts lelep leles lelle lepel leper lepet leppe lepre lept- lerer lerps lesce leser lesse leste letre lette letts llers llrrs lsers p-rep pccts pcell pcept pcert pctct pecel peces peece peele peell peels peeps peere peerl peers peert peese peest peete peets pelee peler peles pelet pelfs pelle pells pelts pepee pepel pepes peple peppe pepst pept- perce percs perec perel perer peres peret perfs perle perps perre perse persp perst perte pesce pesel peses pesle pesse peste pests peter petes petr- petre pette petts plecs pleep pleet plese pless plete plstc plstr ppers pples prece preef prees preff prefs prell prelp prels prepl preps prese presl press prest prete prles pssst pssts pter- ptere pters ptprc ptpre ptprf ptprr ptprs ptprt rcpsc rcpts recce recep recet recls recpt rect- recte rects reece reecs reefe reefs reeft reels reepe reere reese reest refel refer refet reffe refts relee reles relet relte repec repel repet reple reppe repps reprt repts rere- reree reres reret resee resel reses reset resse reste restr rests retee retel reter retes rette retts rless rlrts rperf rrsps rspec rsssf s-tec scel- scelp scere scert scler screc scree scrsp