cccc cccf ccci cccp ccee ccfc ccff ccfi ccgc ccic ccii ccip ccir ccoc ccpe ccpp ccpr ccrc ccre ccrf ccrg ccri ccrp cec- cece ceci ceco cecp ceec cef- cefc cege cego ceip ceop ceor cepc cepe cepo cepp cepr cer- cerc cere cerf ceri cero cerp cfcf cfco cffr cfgo cfor cfpo cfpr cfre cfrg cfrp cgcc cgcg cger cgfc cgro cicc cici cico cicr ciee cier cife ciff cifg cigi ciii cior cipf cipo cipp circ cire ciri ciro cirr coce coco cocp coep cofc cofe coff cofi cogi cogo coif coip coir coof coop cope copg copi copo copp copr cor- corc core corf corg cori coro corp corr cpce cpep cper cpff cpic cpif cpio cpre cpri crcc crce crcr cre- crec cree creg crei creo crep crfc cric crie crif crig crip croc croe croo crop cror crpc eccc ecce ecci ecco ecef ecfc ecfr ecig ecip eco- ecog ecop ecpg ecpp ecrc ecrf ecri ecrr eeee eefe eeoc eerc eerg eero ef-g efco efeo effi efgp efic efor egcc egcg egcr egec egee eger egfp egfr egge eggi eggo eggp egir ego- egoi egor egpe egpi egpo egre egri eico eiec eiei eier eige eigg eipo eipr eire eoir eore eori epcc epci epec epee eper epfc epi- epic epie epip epoc epor eppc eppo eppp epro eprp ercc erce ercp erec erei erer erfc erg- ergg ergi ergo eric erie erio eroc eroe eroi eroo erpe errc erre erro fccf fccp fcic fcii fece feer fefc fefe feff fefi fefo fege fegg feie feig feio feir feof fepc ferc fere fero ferr ffcc ffee ffff ffii ffrr ficc fice fico fiec fief fier fifc fife fiff fifi fifo figc figg figo fiii fioe fior fipp fire foce foci foco foer fofo foge fogg fogi fogo foie foof fopp for- fore forg fori foro forr fp-c fpcc fprf frcc frcp free frei freo frep frfc fric frie frig frio frip froe frog frop gc-c gccc gccf gcfc gcic gcii gcpc gcrg gece geep geer gefe gege gegg gego geic geie geif geig geir geo- geof geog gepe gere geri gero gfcf gfci gfer gfor ggfg gggg ggpo gicr gief gier gife giff gige gigg gigi gigo giog gioi giop gipe gipf gipi gipp gire girg giri giro girr goce gocr goef goer gofe goff gofr gogi gogo goif goip goof goog gooi goop goor gopc gope gopi gopo gore gorf gorg gori goro gorp gorr gper gpfc gpgp gpip gprp grcc grce grec gree gref greg grep gric grie grif grig grip groc grof grog groi groo grop gror grpc grrr i-go iccc iccf icci icco iccp iccr icec icee icef icer icgc icoc icor icpc icpo icrc icre icrf icrr iecc ieie ieio iere ieri ifco ifcp ifer ifge ific ifor ifpo ifrf ifri igcc igcp iger igfc igoe igoo igor igri iiie iiii iiio iioi iioo iiop iipf iirc iocg ioci iocp ioee iofc ioii ioio ioof iooi iooo iore iorg iori ipcc ipce ipec iper ipfc ipie ipoe ipop ippc ippf ippo ippr ipri ircc ircg iree irer irfe iri- iric irie irig irio irip iroc irop irpc irpe irrc irre irri o-eo occc occi oce ocee ocef ocfp ocpp ocre ocro ocrr oec- oecc oeec oere ofcr ofer off- offc offe offo offr ofgo ofor ofre ogee oger ogfr ogge oggi ogog ogoi ogre ogri ogro oici oier oigo oiii oipc oire oocr ooer ooff oooo oore opec opei opep oper opic opie opii opio opo- opor oppi oppo orce orci orco ore- orec oreg oreo orer orfe orff orfi orge orgo ori- oric orie orif orig orio oro- oroe orof oror orpc orpe orpi orri orro pccc pcce pcep pcer pcfc pcgg pcip pcoe pcpp pcrc pcre pcrf pece peci peco pecr peec peep peer pefc peff pegg pego peio peip peir peor pepe pepi pepo per- perc pere perf perg peri pero perp perr pfce pfff pffr pfic pgcc pgce pger pgrc picc pice pici pico picr piep pier piff pigc pigf pigg pigo pigp piip pipe pipi pipo pipp pirc pire pirg piri piro pirr poce poco poer poff pofi poge pogg pogo poio poof poop poor pop- popc pope popi popo popp porc pore porg pori poro porr ppcc ppci pper ppgi ppic ppie ppif ppig pppo pppp pprc pprf prcc prcf prcp pre- prec pree pref preg prep prfc pri- prie prif prig prii pro- proc proe prof prog proo prop prri rccc rcep rcfc rcgc rcic rcpi rcpo rcrg recc rece reci recp recr reef reep refe reff refg refi refr rege regi rego regr reif reii reir reof reog reop repe repi repo repp repr rere rerg reri rero rfef rffc rfic ricc rice rico rief riep rier rife riff rige rigg rigi rigo riif ripe ripi ripp ripr rire riri rocc roce roco roeg roer rofc rofe roff rofo roge rogg rogi rogo roif roig roio roir roof roog rooi roop roor rope ropo rorc rore rori roro rpfc rpii rpoe rpof rrfc rrif rrrr