cccc cccf ccci cccp ccee ccfc ccff ccfi ccic ccii ccip ccir ccpe ccpp ccpr ccrc ccre ccrf ccri ccrp cec- cece ceci cecp ceec cef- cefc ceip ceke cepc cepe cepp cepr cer- cerc cere cerf ceri cerp cfcf cffr cfpr cfre cfrp cicc cici cicr ciee cier cife ciff ciii cikr cipf cipp circ cire ciri cirk cirr ckck cker ckfi ckfr ckpc ckpr ckrc cpce cpep cper cpff cpic cpif cpre cpri crcc crce crcr cre- crec cree crei crep crfc cric crie crif crik crip crkc crkp crpc eccc ecce ecci ecef ecfc ecfr ecip ecpp ecrc ecrf ecri ecrr eeee eefe eeke eerc effi efic efik efke eick eiec eiei eier 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 eric erie erik erke erki erpe errc erre f--k fccf fccp fcic fcii fece feck feek feer fefc fefe feff fefi feie feir feke fepc ferc fere ferk ferr ffcc ffee ffff ffii ffrr ficc fice fick fiec fief fier fifc fife fiff fifi fiii fike fiki fipp fire firk fp-c fpcc fprf frcc frcp free frei frep frfc fric frie frik frip iccc iccf icci iccp iccr icec icee icef icer icke icpc icrc icre icrf icrr iecc ieie iere ieri ifcp ifer ific ifrf ifri iiie iiii iipf iirc ikee iker ikki ikri ipcc ipce ipec ipek iper ipfc ipie ipkf ippc ippf ippr ipri ircc iree irer irfe iri- iric irie irip irki irpc irpe irrc irre irri k-ci kccc kcci kcck kccr kcec kcee kcei kcep kcfc kcfi kcfp kcic kcie kcif kcii kcir kckc kckf kckk kckr kcpc kcpi kcpr kcrc kcri kcrp kcrr keck kecr keef keek keep keer kefc keff kefr keif keii keik keir kekc keke keki kep- kepc kepe kepi ker- kerc kere kerf keri kerk kerp kerr kfcf kfcr kfer kfff kffk kfir kfpr kfrc kfre kfri kfrp kfrr kicc kice kick kicp kicr kief kier kife kiff kifr kiic kiii kiik kiip kikc kikf kiki kikk kikr kip- kipe kipi kipp kipr kirc kirf kiri kirk kirp kirr kkci kkck kkcr kkfi kkfr kkic kkik kkkk kkpc kkpk kkrc kkre kkrf kkrk kkrr kpcc kpcr kpek kper kpfc kpfk kpfr kpif kpir kpke kpkk kpkr kppc kppk kppp kppr kprc kpre kprf kpri kprk kprp kprr krcc krce krci krec kree kref krei krek krfc krfe krff krfp krik krkc krke krki krkk krkr krpi krpr krrc krre krrf krri krrk krrr pccc pcce pcep pcer pcfc pcip pcpp pcrc pcre pcrf pece peci peck pecr peec peek peep peer pefc peff peip peir peke peki pekk pepe pepi per- perc pere perf peri perk perp perr pfce pfff pffr pfic pfkp picc pice pici pick picr piep pier piff piip pike piki pikk pipe pipi pipp pirc pire piri pirk pirr ppcc ppci pper ppic ppie ppif pppp pprc pprf prcc prcf prcp pre- prec pree pref prek prep prfc pri- prie prif prii prri rccc rcep rcfc rcic rcpi recc rece reci reck recp recr reef reek reep refe reff refi refr reif reii reik reir reke reki repe repi repp repr rere reri rfef rffc rfic ricc rice rick rief riek riep rier rife riff riif rike riki rikk ripe ripi ripp ripr rire riri rkkf rpfc rpii rrfc rrif rrrr