pppo pppp ppps pprc ppss ppts pptt prcc prcp prcs pre- prec pree prep pres pret prex pro- proc proe proo prop pros prot prox prps prrs prsc prse prso prss prtc prtp prtr psco psec psoc psos pspp pspr psps psrp pssc psse psso psst psts ptcc pter ptop ptox pttc pxes rccc rccs rcep rcet rcos rcpo rcps rcpt rcsc rcss rctc rcts recc rece recp recr recs rect reep rees reet reop reos reot repe repo repp repr reps rept rere rero rers rert rese reso resp ress rest rete reto retr rets rett rexx rocc roce roco rocs roer roes roet roop roor roos root roox rope ropo rops rorc rore roro rort rosc rose roso rosp ross rost rotc rote roto rotr rots rott roxo rpcs rpet rpoe rpos rpps rpts rrrr rrsp rscc rscs rsee rsos rspo rsps rsre rstp rsts rtcc rtce rtee rtes rtex rtps rtss rttp rtts rxes s-os sccc scce sccp sccs scct scec scee scep scer scet scoo scop scor scot scox scpe scpo scps scpt scr- scrc scre scrs scsc scso scsr scst sctc scto sctr scts se-c se-e se-o se-s se-t se-x sec- secc sece seco secr secs sect seec seep seer sees seet seex seoc seop sepe sepo sepp sepr seps sept sepx serc sere sero serp serr sers sert sesc sese seso sess sest set- setc sete seto sets sett setx sex- sexe sexp sext soce soco socr socs socx soec soeo soep soes soop soor soos soot sope sopo sopp sops sore soro sorr sors sort sose soso soss sost sotc sote soto sotp sots soxs spcc spco spcs spec spee sper spes spet spex spoc spoo spop spor spos spot spox spps spro sprs spse spso spsp spss spst sptc spto sptr spts srcc srct srec sreo sres sros srpc srps srpt srpx srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset ssex ssoc ssop ssot sspc sspe sspo ssps sspt sspx ssrc ssrs sssc ssss sstc sstp ssts stcc stcp stcs stec stee steo step ster stes stet stex stoe stoo stop stor stos stot stox stpp stps strc stre stro strs stss sttc sttr tccc tcep tcos tcpo tctc tcts teco tecr tecs tect teec teer tees teet teor teos tepe tepp ter- terc tere tero terp terr ters tesc tese teso tesp tess test tete teto tetr tets tett tetx text toce toco toee toer toes toet toor toos toot top- tope topo topp tops topt torc tore toro torp torr tors tort torx tosc tose toso toss tost tosx totc tote toto totr tots tott tox- toxo toxs toxt tpcp tpcs tper tppp tppr tprs tpsc tpte tptp tptr trcc tre- trec tree treo tres tret trex troc troe troo trop tros trot trox trpc trpe trpp trps trst trtc trte trtr tscc tscp tsec tses tset tsop tsos tspo tsps tspt tsse tssr tsst tstc tsts ttcp tteo tter ttoe ttop ttss tttt txtr xces xeer xer- xero xers xert xexe xoco xoro xorp xors xote xoxo xpcc xper xpot xpto xrep xtep xtro xtsr xxxo xxxx

-tree c-cor c-p-c c-pop c-tec ccccc ccett ceco- cecos ceere ceese ceoce ceoor ceose cepes cepet cepos cepot ceppo cerc- cerce cerco cercs cerec cerer ceres ceret cero- ceroc ceros cerps cerre cerro cerrs cerse cerss certe certs cesce cescr cesse ceste cests cetes ceto- cette co-co co-op cocc- cocce cocco coceo cocos cocto coepe coers coest coete cooee cooer coope coops coopt coore coors coost coote coots copce copec coper copes copos coppe coppo copps copr- copre copro copse copte copto copts corce core- coree corer cores corex coro- corop corot corpe corps corre corrs corse corso corss corte corto corts cosco cosec coser coses coset cosse cost- coste costo costs coter cotes cotos cotso cott- cotte cotto cotts coxes cpctc cpesc crece creep creer crees creo- creop creos creot crepe crept cresc crese creso cress crest crete croce croco crocs croes crooe croop croos croot cropc crope cropo crops crore crose cross crost crote crots crott crres csere cspot cspro csprs cstcc cteep ctree cttee e-cps e-pro ecorp ecots ecser ecspp ecto- ector ectot eeeee eepee eeros eorre eoste epcos epcot epees eperc epops epopt epost epote eppes epsxe erecs erect erept erere erest erets eroes eroor eroos erore erose eross eroto erres error erses erste ersts erte erter ertes esces escos escot escrt esect esere esops esp-r espec esper espoo espot espre esser esses essex essor essse estce estee estep ester estes estet estoc estop estos estre estro etest etete etext etops etoro etree etres etter ettes excop excpt excsc execs exect execx exept exert exoes exopc exopt exore exort exper expos expro exptr exsec exter extre extro extts ocoee ocote ocree ocres ocros octet octo- octor octos oeco- oeppo oeses oeste oo-er oocre oocss ooooo ooser ooste opepe opere opers opose opper oppos opter opto- optot optto orcet orcop orcos oreco oreo- oreos orere orero orest orexo oroco oroer orose oroso orost orret orser orses orter ortes ortet ortoo oscre osete ososo ospec osper osse- ossec osseo osser osset ossos osstp oste- osteo ostep oster ostrc ostre ostro otere otero otoce otoes otose otoso ototo otpor otros otste otter ottos oxers oxter p-o-x p-rep pccts pcept pcert pctct pecco peces pecos peece peeps peere peers peert peese peest peete peets peose pepco pepee pepes pepos peppe pepst pept- pepto perce percs perec perer peres peret perot perox perps perre perro perse perso persp perst perte perto pesce pesco peses pesos pesse peste pesto pests petco peter petes petos petr- petre petro pette petto petts pexec po-po pocop pocos poers poete poets pooer poope poopo poops poore poors poort poose poost poote poots popco poper popes popet popex popop popos poppe poppo porco porcs porec porer pores poret poro- poros porro porse porte porto ports posco poser poses poset posse post- poste posto postp posts potco potec potee poter potes potoc potoo potop potor potos