-ey a-a a-c aaa aac aae aag aah aay ac- aca acc ace acg ach acy aea aec aee aeg aeh aey ag- aga agc age agg agh agy aha ahc ahe ahg ahh ahy ay- aya ayc aye ayh c-- caa cac cae cag cah cay cca ccc cce ccg cch ce- cea cec cee ceg ceh cey cga cgc cge cgg cgh cgy ch- cha chc che chg chh chy cya cyc cye cyg eaa eac eae eag eah ec- eca ecc ece ecg ech eea eec eee eeg eey ega egc ege egg egh egy eha ehc ehe ehg ehh eya eyc eye gaa gac gae gag gah gay gca gcc gce gcg gch ge- gea gec gee geg geh gey gga ggc ggg ggh gha ghc ghe ghg ghh gy- gya gye haa hac hae hag hah hay hca hcc hce hcg hch hcy he- hea hec hee heg heh hey hga hgc hge hgg hgh hgy hha hhc hhe hhg hhh hhy hy- hya hyc hye hyg hyh hyy yaa yac yae yag yah yay yca ycc yce ych ycy yea yec yee yeg yeh yey yga ygc yha yhc yhe yyc yye yyg yyy