c-- ccc ccd cce ccg ccn cdc cdd cde cdg cdn ce- cec ced cee ceg cen cgc cgd cge cgg cgn cn- cnc cnd cne cng cnn dcc dcd dce dcg dcn ddc ddd dde ddg ddn de- dec ded dee deg den dgc dgd dge dgg dgn dnc dnd dne dng dnn ec- ecc ecd ece ecg ecn ed- edc edd ede edg edn eec eed eee eeg een egc egd ege egg egn en- enc end ene eng enn g-d gcc gcd gce gcg gcn gdc gdd gde gdn ge- gec ged gee geg gen ggc ggd ggg ggn gnc gnd gne gnn ncc ncd nce ncg ncn ndc ndd nde ndg ndn ne- nec ned nee neg nen ngc ngd nge ngg ngn nnc nne nng nnn