prps prrs prsc prse prsl prso prss prtc prtp prtr psco psec psel psnc psnr psoc psol pson psos pspp pspr psps psrp pssc psse psso psst psts ptcc ptcl pten pter ptol ptop pttc rccc rccs rcep rcet rcle rcls rcnl rcnr rcon rcos rcpo rcps rcpt rcsc rcsl rcss rctc rcts recc rece recp recr recs rect reel reen reep rees reet rele rell relo relp rels relt rene renn reno rens rent reol reop reos reot repe repl repo repp repr reps rept rere rero rers rert rese resn reso resp ress rest rete reto retr rets rett rlcs rlee rlls rnco rncp rncs rnnt rnot rnsp rntp rocc roce roco rocs roel roen roer roes roet role roll rolo rolp rolt ronc rone rono rons ront rool roon roop roor roos root rope ropo rops rorc rore roro rort rosc rose roso rosp ross rost rotc rote rotl rotn roto rotr rots rott rpcs rpet rpls rpoe rpon rpos rppn rpps rptn rpts rrle rrrr rrsp rscc rscn rscs rsee rslc rslp rsnn rsno rsnr rsos rspo rsps rsre rssl rstp rsts rtcc rtce rtee rtes rtle rtls rtlt rtns rtps rtss rttp rtts s-os sccc scce sccl sccp sccs scct scec scee scel scep scer scet scl- sclc scls scnr scnt scol scon scoo scop scor scot scpe scpl scpo scps scpt scr- scrc scre scrn scrs scsc scsl scsn scso scsr scst sctc sctl sctn scto sctr scts se-c se-e se-n se-o se-s se-t sec- secc sece secn seco secr secs sect seec seel seen seep seer sees seet sele sell selo sels selt sene senn seno senr sens sent seoc seol seon seop sepe sepn sepo sepp sepr seps sept serc sere sern sero serp serr sers sert sesc sese seso sess sest set- setc sete setl seto sets sett slcc slee slep sler sles slet slln sllp sloc sloe slon sloo slop slos slot slpp slps slrc slre slrn slrp slrs slsc slst slts sncc snco sncp snee snel snep sner snes snet snns snoc snoo snop snor snos snot snpo snpp snrs snte sntr soce socl soco socr socs soec soel soen soeo soep soes sole soll soln solo solp solr sols solt son- sone sono sons sont sool soon soop soor soos soot sope sopo sopp sops sore sorn soro sorr sors sort sose soso soss sost sotc sote sotl sotn soto sotp sots spcc spco spcs spec spee spel spen sper spes spet splc sple splo splp splr spls spne spns spoc spon spoo spop spor spos spot spps spro sprs spse spso spsp spss spst sptc spto sptr spts srcc srct srec sreo sres srnn srno sros srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset sslc ssle sslp sslt ssns ssoc ssop ssot sspc sspe sspl sspo ssps sspt ssrc ssrl ssrs sssc ssss sstc sstl sstp ssts stcc stcp stcs stec stee stel sten steo step ster stes stet stlc stle stln stlo stlt stnn stnr stns stoe stol ston stoo stop stor stos stot stpp stps strc stre strn stro strs stss sttc sttr tccc tcep tcnn tcon tcos tcpo tctc tcts tecl teco tecr tecs tect teec teel teen teer tees teet tel- telc tele tell teln telo tels telt tenc tene tenn teno tenp tens tent teon teor teos tepe tepp ter- terc tere tern tero terp terr ters tesc tese tesl teso tesp tess test tete teto tetr tets tett tlco tlen tlon tlos tlrs tncc tnes tnsp tnts toce toco toee toen toer toes toet tol- tole toll tolo tolt tone tonn tono tons tool toon toor toos toot top- tope topo topp tops topt torc tore torn toro torp torr tors tort tosc tose toso toss tost totc tote toto totr tots tott tpcp tpcs tper tpls tpol tpon tppp tppr tprs tpsc tpte tptp tptr trcc trcl tre- trec tree tren treo tres tret trno troc troe tron troo trop tros trot trpc trpe trpn trpp trps trst trtc trte trtr tscc tscp tsec tsen tses tset tsol tsop tsos tspn tspo tsps tspt tsse tssr tsst tstc tsts ttcn ttcp tten tteo tter ttoe tton ttop ttss tttt

-tree c-cor c-one c-p-c c-pop c-tec ccccc cccsl ccell ccett ccnet ccpls ccrcl ccrel cctrl ceco- cecon cecos ceele ceelo ceene ceere ceese celco celer celes cell- celle cello cells celo- celon celos celse celso celss celte celts cence cenel ceno- cenon cenpl cenpn cenpo cenpt cense censo cent- cento centr cents ceoce ceoor ceorl ceorn ceose cepes cepet cepno cepos cepot ceppo cerc- cerce cerco cercs cerec ceren cerer ceres ceret cerne cerno cero- ceroc ceron ceros cerps cerre cerro cerrs cerse cerss certe certs cesce cescr cesen cesse ceste cests ceten cetes ceto- ceton cette cleco cleen cleer cleet clene clens clent cleon cleos clepe clept clerc clere cless clete cleto clett cloes clone clons cloop cloor cloos cloot clope clops clore clort close closo closs clost clote clots clspn cnnnn cnote cntln cntnl cntrc cntrl co-co co-np co-op cocc- cocce cocco coceo cocle cocol cocon cocos cocto coel- coelo coels coen- coens coepe coers coest coete cole- colee colel coleo coler coles colet coll- colle collo colls colne colo- colon colop color colos colp- colpo colre colts concl conco concr coner cones conle conne conns cono- conon conop conor const conte contl contn conto contr cooee cooer coole coolo cools coone coons coope coops coopt coore coors coost coote coots copce copec copel copen coper copes cople copos coppe coppo copps copr- copre copro copse copte copto copts corce core- coree corel coren corer cores corne corno corns coro- corol coron corop corot corpe corps corre corrl corrs corse corso corss corte corto corts cosco cosec cosen coser coses coset cosne coson cosse cost- coste costo costs cotel coter cotes cotle coton cotos cotso cott- cotte cotto cotts cpctc cpesc crece creel creen creep creer crees crele crell cren- creo- creon