cccc cccf ccci cccp ccee ccfc ccff ccfi ccgc ccic ccii ccip ccir ccpe ccpp ccpr ccrc ccre ccrf ccrg ccri ccrp cec- cece ceci cecp ceec cef- cefc cege ceip ceke cepc cepe cepp cepr cer- cerc cere cerf ceri cerp cfcf cffr cfpr cfre cfrg cfrp cgcc cgcg cger cgfc cicc cici cicr ciee cier cife ciff cifg cigi ciii cikr cipf cipp circ cire ciri cirk cirr ckck cker ckfi ckfr ckpc ckpg ckpr ckrc cpce cpep cper cpff cpic cpif cpre cpri crcc crce crcr cre- crec cree creg crei crep crfc cric crie crif crig crik crip crkc crkp crpc eccc ecce ecci ecef ecfc ecfr ecig ecip ecpg ecpp ecrc ecrf ecri ecrr eeee eefe eeke eerc eerg ef-g effi efgp efic efik efke egcc egcg egcr egec egee eger egfp egfr egge eggi eggp egir egpe egpi egre egri eick eiec eiei eier eige eigg eike eiki eipr eire ekek eker ekfc ekki ekpe epcc epci epec epee eper epfc epi- epic epie epik epip eppc eppp eprp ercc erce ercp erec erei erer erfc erg- ergg ergi eric erie erik erke erki erpe errc erre f--k fccf fccp fcic fcii fece feck feek feer fefc fefe feff fefi fege fegg feie feig feir feke fepc ferc fere ferk ferr ffcc ffee ffff ffii ffrr ficc fice fick fiec fief fier fifc fife fiff fifi figc figg fiii fike fiki fipp fire firk fp-c fpcc fprf frcc frcp free frei frep frfc fric frie frig frik frip gc-c gccc gccf gcfc gcic gcii gcpc gcrg gece geck geek geep geer gefe gege gegg geic geie geif geig geir geki gepe gere geri gfcf gfci gfer ggfg gggg gick gicr gief gier gife giff gige gigg gigi gipe gipf gipi gipp gire girg giri girk girr gkrp gper gpfc gpgp gpip gprp grcc grce grec gree gref greg grep gric grie grif grig grip grpc grrr iccc iccf icci iccp iccr icec icee icef icer icgc icke icpc icrc icre icrf icrr iecc ieie iere ieri ifcp ifer ifge ific ifrf ifri igcc igcp iger igfc igkc igri iiie iiii iipf iirc ikee iker ikig ikki ikri ipcc ipce ipec ipek iper ipfc ipie ipkf ipkg ippc ippf ippr ipri ircc ircg iree irer irfe iri- iric irie irig irip irki irpc irpe irrc irre irri k-ci kccc kcci kcck kccr kcec kcee kceg kcei kcep kcfc kcfg kcfi kcfp kcgc kcgf kcgi kcgr kcic kcie kcif kcii kcir kckc kckf kckk kckr kcpc kcpi kcpr kcrc kcrg kcri kcrp kcrr kecg keck kecr keef keek keep keer kefc keff kefr kege kegg kegi kegk kegr keif keig keii keik keir kekc keke keki kep- kepc kepe kepi ker- kerc kere kerf keri kerk kerp kerr kfcf kfcr kfeg kfer kfff kffg kffk kfge kfgi kfgr kfig kfir kfpr kfrc kfre kfrg kfri kfrp kfrr kgcc kgce kgcr kgec kgff kgfk kggf kggg kggi kggr kgif kgir kgpe kgpf kgpg kgpr kgrc kgre kgrg kgri kgrk kgrr kicc kice kicg kick kicp kicr kief kier kife kiff kifg kifr kigc kiic kiii kiik kiip kikc kikf kiki kikk kikr kip- kipe kipi kipp kipr kirc kirf kiri kirk kirp kirr kkci kkck kkcr kkeg kkfg kkfi kkfr kkgr kkic kkik kkkk kkpc kkpk kkrc kkre kkrf kkrk kkrr kpcc kpcr kpek kper kpfc kpfk kpfr kpge kpgg kpgr kpif kpir kpke kpkk kpkr kppc kppk kppp kppr kprc kpre kprf kprg kpri kprk kprp kprr krcc krce krcg krci krec kree kref krei krek krfc krfe krff krfg krfp krgi krik krkc krke krki krkk krkr krpi krpr krrc krre krrf krrg krri krrk krrr pccc pcce pcep pcer pcfc pcgg pcip pcpp pcrc pcre pcrf pece peci peck pecr peec peek peep peer pefc peff pegg peip peir peke peki pekk pepe pepi per- perc pere perf perg peri perk perp perr pfce pfff pffr pfic pfkp pgcc pgce pger pgrc picc pice pici pick picr piep pier piff pigc pigf pigg pigk pigp piip pike piki pikk pipe pipi pipp pirc pire pirg piri pirk pirr pkge pkig ppcc ppci pper ppgi ppic ppie ppif ppig pppp pprc pprf prcc prcf prcp pre- prec pree pref preg prek prep prfc pri- prie prif prig prii prri rccc rcep rcfc rcgc rcic rcpi rcrg recc rece reci reck recp recr reef reek reep refe reff refg refi refr rege regi regr reif reii reik reir reke reki repe repi repp repr rere rerg reri rfef rffc rfic ricc rice rick rief riek riep rier rife riff rige rigg rigi riif rike riki rikk ripe ripi ripp ripr rire riri rkkf rpfc rpii rrfc rrif rrrr