-er c-- ccc cce ccf cco ccp ccr ce- cec cee cef ceo cep cer cfc cfe cff cfo cfp cfr co- coc coe cof coo cop cor cpc cpe cpf cpo cpp cpr crc cre crf cro crp crr ec- ecc ece ecf eco ecr eec eee eef eeo eep eer ef- efc efe eff efo efp efr eo- eoc eoe eof eoo eop eor ep- epc epe epf epo epp epr erc ere erf ero erp err fcc fce fcf fco fcp fcr fec fee fef feo fep fer ffc ffe fff ffo ffp ffr foc foe fof foo fop for fpc fpe fpo fpp fpr frc fre frf fro frp frr oc- occ ocf oco ocp ocr oec oee oef oeo oep oer of- ofc ofe off ofo ofp ofr oo- ooc oof ooo oop oor op- opc ope opf opo opp opr or- orc ore orf oro orp orr p-p pcc pce pcf pco pcp pcr pec pee pef peo pep per pfc pfe pff pfo pfp pfr poc poe pof poo pop por ppc ppe ppf ppo ppp ppr prc pre prf pro prp prr rcc rce rcf rco rcp rcr re- rec ree ref reo rep rer rfc rfe rff rfo rfp rfr roc roe rof roo rop ror rpc rpe rpf rpo rpp rpr rrc rrf rrp rrr

cccc cccf cccp ccee ccfc ccff ccoc ccpe ccpp ccpr ccrc ccre ccrf ccrp cec- cece ceco cecp ceec cef- cefc ceop ceor cepc cepe cepo cepp cepr cer- cerc cere cerf cero cerp cfcf cfco cffr cfor cfpo cfpr cfre cfrp coce coco cocp coep cofc cofe coff coof coop cope copo copp copr cor- corc core corf coro corp corr cpce cpep cper cpff cpre crcc crce crcr cre- crec cree creo crep crfc croc croe croo crop cror crpc eccc ecce ecco ecef ecfc ecfr eco- ecop ecpp ecrc ecrf ecrr eeee eefe eeoc eerc eero efco efeo efor eore epcc epec epee eper epfc epoc epor eppc eppo eppp epro eprp ercc erce ercp erec erer erfc eroc eroe eroo erpe errc erre erro fccf fccp fece feer fefc fefe feff fefo feof fepc ferc fere fero ferr ffcc ffee ffff ffrr foce foco foer fofo foof fopp for- fore foro forr fp-c fpcc fprf frcc frcp free freo frep frfc froe frop o-eo occc oce ocee ocef ocfp ocpp ocre ocro ocrr oec- oecc oeec oere ofcr ofer off- offc offe offo offr ofor ofre oocr ooer ooff oooo oore opec opep oper opo- opor oppo orce orco ore- orec oreo orer orfe orff oro- oroe orof oror orpc orpe orro pccc pcce pcep pcer pcfc pcoe pcpp pcrc pcre pcrf pece peco pecr peec peep peer pefc peff peor pepe pepo per- perc pere perf pero perp perr pfce pfff pffr poce poco poer poff poof poop poor pop- popc pope popo popp porc pore poro porr ppcc pper pppo pppp pprc pprf prcc prcf prcp pre- prec pree pref prep prfc pro- proc proe prof proo prop rccc rcep rcfc rcpo recc rece recp recr reef reep refe reff refr reof reop repe repo repp repr rere rero rfef rffc rocc roce roco roer rofc rofe roff rofo roof roop roor rope ropo rorc rore roro rpfc rpoe rpof rrfc rrrr

c-cor c-p-c c-pop ccccc ceco- ceere cefor ceoce ceoor ceppo cerc- cerce cerco cerec cerer cero- ceroc cerre cerro co-co co-op cocc- cocce cocco coceo coepe cofer coffe cofre cooee cooer coope coore copce copec coper coppe coppo copr- copre copro corce core- coree corer corfe corfo coro- corop corpe corre cpcfc crece creep creer creo- creop crepe croce croco crooe croop cropc crope cropo crore e-pro ecoff ecorp eeeee eepee efere effer efore eofor eorre eperc erere eroor erore error feeor feere fefor feoff ferce ferr- ferre ferro focer foore force fore- foreo forro frcpc freep freer frere froop frore o-fer ocoee ocree oeco- oeppo offer offof offre ofpop oo-er oocre ooooo opepe opere opper orcop oreco oreo- orere orero orfeo orfoe orfor oroco oroer p-rep pecco peece peere pepco pepee peppe perce perec perer perre perro pforp po-po pocop pooer poope poopo poore popco poper popop poppe poppo porco porec porer poro- porro prece preco preef preff preop proer profe proff proof proor prop- prope propp propr prore r-co- recce recco recep reece reefe reepe reere refco refer reffe reffo repco repec repop repor reppe repro rere- reree ro-ro rocco rocor roero roffe rofor rooer roofe roope roore roper roppe rorer rperf rprop

ceecee cerco- cocco- cococo coerce cofere coffee coffer coffre coo-er coocoo coofer coopee cooper copper copro- corpre corrop crecco creepo crocco crocer croope croper ecopop effere effoff effore epopee feeror feofor ferfer feroce ferrer ferro- foerre foofoo fopper forcer forrec forrer freeof freepr frefre froofe ocreo- oferre ofpoor oooooo peepee peeper peerce peerer peffer pepero pepper percee percer perere peroff peroor perore perper perree poffer pooper poopoo poorer popfor popoff popopo poporo popper poppop porece pppppp pre-op precor preece prefer preffe preore procer procop procor profer proffe profor profre proper propre prorec re-foc recope recore recreo reefer reeffe reeper refeff repope repper repref reroof rococo roeper roofer roopee rooper

cerofer coercee coercer coffree coreper corpore creeper crocere crooper cropere cropper e-corce ecoreco eeeroer efforce errorof feoffee feoffer feoffor ferrere ferrero foo-foo forfere forfree freefor freeppp o-force off-off offeree offerer offeror ofproof orepeer pee-pee perceep perrero perrore pfeffer poo-poo pop-off poproc porpere porpore precoce preferr preffer prepere prepper procere procope procore profeco proffer proffre proofer proofre propero propper refeoff referee referer reforce reoffer repreef reprefe reproce reproof rerefer rococco ropeoff

cereproc cocoroco cofferer cooperer copperer corocore corocoro correfoc croppere feeoffee forereef peeppeep pepperer peroffer perrerer poorpoor poroporo preferee preferer preoffer proforce properer recooper recopper referree referrer reproffe

coeffeffe copperore corporeo- errorfree forcoffee poco-poco poee-poee preferree preferrer profferer re-copper reco-reco repe-refe reproffer roocoocoo

coeffeoffe errorproof proreferee rococococo

proof-proof

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