a-a a-c aaa aac aae aag aan ac- aca acc ace acg acn aea aec aee aeg aen ag- aga agc age agg agn an- ana anc ane ang ann c-- caa cac cae cag can cca ccc cce ccg ccn ce- cea cec cee ceg cen cga cgc cge cgg cgn cn- cna cnc cne cng cnn eaa eac eae eag ean ec- eca ecc ece ecg ecn eea eec eee eeg een ega egc ege egg egn en- ena enc ene eng enn gaa gac gae gag gan gca gcc gce gcg gcn ge- gea gec gee geg gen gga ggc ggg ggn gna gnc gne gnn naa nac nae nag nan nca ncc nce ncg ncn ne- nea nec nee neg nen nga ngc nge ngg ngn nna nnc nne nng nnn