-ey a-a a-c aaa aac aae aag aan aay ac- aca acc ace acg acn acy aea aec aee aeg aen aey ag- aga agc age agg agn agy an- ana anc ane ang ann any ay- aya ayc aye ayn c-- caa cac cae cag can cay cca ccc cce ccg ccn ce- cea cec cee ceg cen cey cga cgc cge cgg cgn cgy cn- cna cnc cne cng cnn cny cya cyc cye cyg cyn eaa eac eae eag ean ec- eca ecc ece ecg ecn eea eec eee eeg een eey ega egc ege egg egn egy en- ena enc ene eng enn eny eya eyc eye eyn gaa gac gae gag gan gay gca gcc gce gcg gcn ge- gea gec gee geg gen gey gga ggc ggg ggn gna gnc gne gnn gy- gya gye gyn naa nac nae nag nan nay nca ncc nce ncg ncn ne- nea nec nee neg nen ney nga ngc nge ngg ngn nna nnc nne nng nnn nya nyc nye nyg nyn nyy yaa yac yae yag yan yay yca ycc yce ycy yea yec yee yeg yen yey yga ygc yna yne yng ynn yny yyc yye yyg yyy