cccc ccci ccgc ccic ccii ccoc cgcc cgcg cicc cici cico cigi ciii ciko ckck ckco ckcy ckgo ckoc ckoi ckoo ckoy cock coco cogi cogo cok- coko coky cook coyo cozi cozy cozz cyc- cycc cyy- cyyc czyz gc-c gccc gcic gcii gggg gick gigg gigi gigo giog gioi gizi gizo gizy gizz gogi gogo goky goog gooi gook gozi gozo i-go iccc icci icco icgc icky icoc igcc iggy igkc igoo iiii iiio iioi iioo ikig ikki ikko ikky ikoo iocg ioci ioii ioio ioko iooi iooo izki izzo izzy k-ci kccc kcci kcck kccy kcgc kcgi kcgy kcic kcii kckc kckk kcko kcky kckz kcog kcoz kcyk kcyy kcyz kczo kczz kgcc kggg kggi kggo kgio kgoz kicc kicg kick kicy kigc kigo kiic kiii kiik kikc kiki kikk kiko kikz kioc kioi kiok kioo kioz kiyi kiyk kizz kkci kkck kkco kkcy kkgo kkic kkik kkkk kkoo kkoy kkoz kkyc kkyy kkyz kkzy kkzz koci kock kogg kogi kogo koii kokc koki kokk koko koky kokz kooc koog kooi kook kooo kooz koyo koyy kozi kozk kozo kozy kycc kyck kygo kyiz kykc kykk kyky kykz kyok kyoo kyoy kyyi kyyk kyyo kyyy kyyz kyzk kyzz kzgo kzgz kzio kziz kzky kzkz kzoi kzoo kzoy kzoz kzzi kzzk kzzo kzzy kzzz occc occi oggi oggy ogiz ogog ogoi oici oick oigo oiii oiko okgo okic okko okok okyo ooky oooo oozi oozy ozzy yccc ykko yock yogi yogo yoik yoki yoko yoky yook yooz yoyo yozo yyyy zcgk zick zico zigg zigi zigo ziki ziyi zizi zizz zoco zogg zogi zogo zoic zoio zoo- zook zozo zyg- zygi zygo zyyi zzzz