c-- ccc cce ccg ccn ccv ce- cec cee ceg cen cev cgc cge cgg cgn cgv cn- cnc cne cng cnn cnv cvc cve cvg cvn cvv ec- ecc ece ecg ecn ecv eec eee eeg een eev egc ege egg egn en- enc ene eng enn env evc eve evg evn evv gcc gce gcg gcn ge- gec gee geg gen gev ggc ggg ggn ggv gnc gne gnn gnv gvc gve gvg gvn ncc nce ncg ncn ncv ne- nec nee neg nen nev ngc nge ngg ngn nnc nne nng nnn nnv nvc nve nvg nvn nvv v-e vcc vce vcn vec vee veg ven vgc vgg vgn vn- vng vnv vvc vvg vvv