a-a a-c aaa aac aag aas aay ac- aca acc acg acs acy ag- aga agc agg ags agy as- asa asc asg ass asy ay- aya ayc ays c-- caa cac cag cas cay cca ccc ccg ccs cga cgc cgg cgs cgy csa csc csg css csy cya cyc cyg cys gaa gac gag gas gay gca gcc gcg gcs gga ggc ggg ggs gsa gsc gsg gss gy- gya gys saa sac sag sas say sca scc scg scs sga sgc sgg sgs ss- ssa ssc ssg sss sy- sya syc syg sys yaa yac yag yas yay yca ycc ycs ycy yga ygc ysa ysc ysg yss ysy yyc yyg yys yyy