c-- ccc cce ccg cck cco ce- cec cee ceg cek ceo cgc cge cgg cgo ckc cko co- coc coe cog cok coo ec- ecc ece ecg eck eco eec eee eeg eek eeo egc ege egg ego ekc eke ekg eko eo- eoc eoe eog eok eoo gcc gce gcg gck gco ge- gec gee geg gek geo ggc ggg ggo gko goc goe gog gok goo kcc kce kcg kck ke- kec kee keg kek keo kgc kgo kkc kke kkk koc koe kog kok koo oc- occ ocg ock oco oec oee oeg oeo ogc oge ogg ogo okc oke okg okk oko oo- ooc oog ook ooo