c-- ccc ccd cce ccg cck cdc cdd cde cdg cdk ce- cec ced cee ceg cek cgc cgd cge cgg ckc ckd dcc dcd dce dcg dck ddc ddd dde ddg ddk de- dec ded dee deg dek dgc dgd dge dgg dgk dkc dke dkg dkk ec- ecc ecd ece ecg eck ed- edc edd ede edg edk eec eed eee eeg eek egc egd ege egg ekc ekd eke ekg g-d gcc gcd gce gcg gck gdc gdd gde gdk ge- gec ged gee geg gek ggc ggd ggg gkd kcc kcd kce kcg kck kdc kde kdg kdk ke- kec ked kee keg kek kgc kgd kkc kke kkk