a-a a-c aaa aac aad aag aas ac- aca acc acd acg acs ad- ada adc add adg ads ag- aga agc agd agg ags as- asa asc asd asg ass c-- caa cac cad cag cas cca ccc ccd ccg ccs cda cdc cdd cdg cds cga cgc cgd cgg cgs csa csc csd csg css daa dac dad dag das dca dcc dcd dcg dcs dda ddc ddd ddg dds dga dgc dgd dgg dgs dsa dsc dsd dsg dss g-d gaa gac gad gag gas gca gcc gcd gcg gcs gda gdc gdd gds gga ggc ggd ggg ggs gsa gsc gsd gsg gss saa sac sad sag sas sca scc scd scg scs sda sdc sdd sdg sds sga sgc sgd sgg sgs ss- ssa ssc ssd ssg sss