cccc cccp ccgc ccoc ccpp ccpr ccrc ccrg ccrp cgcc cgcg cgro ckck ckco ckcy ckgo ckoc ckoo ckor ckoy ckpc ckpg ckpr ckrc ckry cock coco cocp cogo cok- coko coky cook coop copg copo copp copr copy cor- corc corg cork coro corp corr cory coyo coyr crcc crcr crkc crkp croc crok croo crop cror croy crpc cry- cryo cyc- cycc cypc cyrk cyy- cyyc gc-c gccc gcpc gcrg gggg ggpo gkrp gocr gogo goky goog gook goop goor gopc gopo gorg goro gorp gorr gory gpgp gprp grcc groc grog grok groo grop gror groy grpc grrr gry- gyor gypo gyr- gyro kccc kcck kccr kccy kcgc kcgr kcgy kckc kckk kcko kckr kcky kcog kcor kcpc kcpo kcpr kcrc kcrg kcro kcrp kcrr kcry kcyk kcyy kgcc kgcr kggg kggo kggr kgor kgpg kgpr kgrc kgrg kgrk kgro kgrr kkck kkco kkcr kkcy kkgo kkgr kkkk kkoo kkor kkoy kkpc kkpk kkrc kkrk kkro kkrr kkyc kkyy kock kocp kogg kogo kokc kokk koko kokp kokr koky kooc koog kook kooo koop koor kopp kopr kopy korc korg kork koro korr koyo koyy kpcc kpcr kpgg kpgr kpkk kpkr kpky kpoc kpok kpoo kpop kpoy kppc kppk kppo kppp kppr kprc kprg kprk kpro kprp kprr kpyk kpyr krcc krcg krco krgy krkc krkk krko krkr krky kroc krog krok kroo krop kror kroy krpr krrc krrg krrk krro krrr krry kryk kryo kryp kryy kycc kyck kycr kygo kygr kykc kykk kykr kyky kyok kyoo kyor kyoy kyp- kypc kypr kyrc kyrk kyro kyyk kyyo kyyy occc ocpp ocro ocrr oggy ogog ogro ogry okgo okko okok okor okpo okro okyo oocr ooky oooo oory opkg opo- opor oppo oppy opry orco orgo orgy orko oro- orok oror oroy orpc orro orry pccc pcgg pcpp pcrc pgcc pgrc pock poco pogg pogo pogy poko poky pook poop poor pop- popc popo popp popy porc porg pork poro porr pory poyo poyr ppcc pppo pppp pprc prcc prcp prky pro- proc prog proo prop pryk pyck pyg- pygg pykk pyo- pypy pyr- pyrk pyro pyry rccc rcgc rcpo rcrg rcyc rocc rock roco rogg rogo rogy rokk roko rokr roky roog rook roop roor ropo ropy rorc rork roro rory rpyc rrrr ryck yccc ygor ykko yock yogo yoko yoky yook yoop yopo yopy york yoro yory yoyo ypcc yyyy