a-a a-c aaa aac aae aag aah ac- aca acc ace acg ach aea aec aee aeg aeh ag- aga agc age agg agh aha ahc ahe ahg ahh c-- caa cac cae cag cah cca ccc cce ccg cch ce- cea cec cee ceg ceh cga cgc cge cgg cgh ch- cha chc che chg chh eaa eac eae eag eah ec- eca ecc ece ecg ech eea eec eee eeg ega egc ege egg egh eha ehc ehe ehg ehh gaa gac gae gag gah gca gcc gce gcg gch ge- gea gec gee geg geh gga ggc ggg ggh gha ghc ghe ghg ghh haa hac hae hag hah hca hcc hce hcg hch he- hea hec hee heg heh hga hgc hge hgg hgh hha hhc hhe hhg hhh