cccc ccci cccp ccee ccic ccii ccip ccir ccoc ccpe ccpp ccpr ccrc ccre ccri ccrp cec- cece ceci ceco cecp ceec ceip ceke ceop ceor cepc cepe cepo cepp cepr cer- cerc cere ceri cero cerp cicc cici cico cicr ciee cier ciii ciko cikr cior cipo cipp circ cire ciri cirk ciro cirr ckck ckco cker ckoc ckoi ckoo ckor ckpc ckpr ckrc coce cock coco cocp coep coip coir cok- coke coko cook coop cope copi copo copp copr cor- corc core cori cork coro corp corr cpce cpep cper cpic cpio cpre cpri crcc crce crcr cre- crec cree crei creo crep cric crie crik crip crkc crkp croc croe crok croo crop cror crpc eccc ecce ecci ecco ecip ecko eco- ecop ecpp ecrc ecri ecrr eeee eeke eeoc eerc eero eick eico eiec eiei eier eike eiki eiko eipo eipr eire ekco ekek eker ekki ekoi ekpe ekpo eoir eore eori epcc epci epec epee eper epi- epic epie epik epip epoc epor eppc eppo eppp epro eprp ercc erce ercp erec erei erer eric erie erik erio erke erki eroc eroe eroi eroo erpe errc erre erro iccc icci icco iccp iccr icec icee icer icke icoc icor icpc icpo icrc icre icrr iecc ieie ieio iere ieri iiie iiii iiio iioi iioo iiop iirc ikee iker ikki ikko ikoo ikri ioci iocp ioee ioii ioio ioke ioko iooi iooo iore iori ipcc ipce ipec ipek iper ipie ipko ipoe ipop ippc ippo ippr ipri ircc iree irer iri- iric irie irio irip irki iroc irop irpc irpe irrc irre irri k-ci kccc kcci kcck kccr kcec kcee kcei kceo kcep kcic kcie kcii kcir kckc kckk kcko kckr kcoe kcor kcpc kcpi kcpo kcpr kcrc kcri kcro kcrp kcrr keck keco kecr keek keep keer keii keik keio keir kekc keke keki keko keok kep- kepc kepe kepi ker- kerc kere keri kerk kero kerp kerr kicc kice kick kicp kicr kier kiic kiii kiik kiip kikc kiki kikk kiko kikr kioc kioe kioi kiok kioo kip- kipe kipi kipo kipp kipr kirc kiri kirk kiro kirp kirr kkci kkck kkco kkcr kkic kkik kkkk kkoo kkor kkpc kkpk kkrc kkre kkrk kkro kkrr koci kock kocp koei koii koir kokc koke koki kokk koko kokp kokr kooc kooi kook kooo koop koor kope kopi kopp kopr korc kore kori kork koro korr kpcc kpcr kpek kper kpir kpke kpkk kpkr kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kppr kprc kpre kpri kprk kpro kprp kprr krcc krce krci krco krec kree krei krek kreo krik krio krkc krke krki krkk krko krkr kroc kroe kroi krok kroo krop kror krpi krpr krrc krre krri krrk krro krrr o-eo occc occi oce ocee ocke ocpp ocre ocro ocrr oec- oecc oeec oere oici oick oier oiii oike oiko oipc oire oker okic okie okir okko okok okor okpe okpo okre okro oocr ooer oooo oore opec opei opep oper opic opie opii opio opo- opor oppi oppo orce orci orco ore- orec orek oreo orer ori- oric orie orio orke orko oro- oroe orok oror orpc orpe orpi orri orro pccc pcce pcep pcer pcip pcoe pcpp pcrc pcre pece peci peck peco pecr peec peek peep peer peio peip peir peke peki pekk peko peor pepe pepi pepo per- perc pere peri perk pero perp perr picc pice pici pick pico picr piep pier piip pike piki pikk piko pipe pipi pipo pipp pirc pire piri pirk piro pirr poce pock poco poer poik poio poke poko pook poop poor pop- popc pope popi popo popp porc pore pori pork poro porr ppcc ppci pper ppic ppie pppo pppp pprc prcc prcp pre- prec pree prek prep pri- prie prii pro- proc proe proo prop prri rccc rcep rcic rcpi rcpo recc rece reci reck recp recr reek reep reii reik reir reke reki reko reop repe repi repo repp repr rere reri rero ricc rice rick rico riek riep rier rike riki rikk ripe ripi ripp ripr rire riri rocc roce rock roco roer roik roio roir roke roki rokk roko rokr rooi rook roop roor rope ropo rorc rore rori rork roro rpii rpoe rrrr