cccc ccee ccgc ccoc cec- cece ceco ceec cege cego ceke cgcc cgcg ckck ckco ckcy ckey ckgo ckoc ckoo ckoy coce cock coco cogo cok- coke coko coky cook coyo cyc- cycc cyeg cyke cyy- cyyc eccc ecce ecco ecko ecky eco- ecog eeee eeke eeoc egcc egcg egec egee egge eggo eggy ego- egyo ekco ekek eyck eyec eyey eyke gc-c gccc gece geck geek gege gegg gego geko geo- geog gggg goce gogo goke goky goog gook goye gyge kccc kcck kccy kcec kcee kceg kceo kcey kcgc kcgy kckc kckk kcko kcky kcoe kcog kcye kcyk kcyy kecg keck keco keek kege kegg kegk kegy kekc keke keko keok keye keyg keyy kgcc kgce kgec kgeo kggg kggo kgoe kkck kkco kkcy kkeg kkgo kkkk kkoo kkoy kkyc kkyy kock koge kogg kogo kokc koke kokk koko koky kooc koog kook kooo koye koyo koyy kycc kyck kyee kygo kykc kyke kykk kyky kyok kyoo kyoy kyyk kyyo kyyy o-eo occc oce ocee ocke oec- oecc oeec oeye oeyo ogee ogge oggy ogog okey okgo okko okok okyo ooky oooo oyce oyee oyke yccc ycee yeck yeek yegg yego yeke yeye yeyo ygoe ykey ykko yock yogo yoke yoko yoky yook yoye yoyo yyyy