a-a a-c aaa aac aad aag aar ac- aca acc acd acg acr ad- ada adc add adg adr ag- aga agc agd agg agr ar- ara arc ard arg arr c-- caa cac cad cag car cca ccc ccd ccg ccr cda cdc cdd cdg cdr cga cgc cgd cgg cgr cra crc crd crg crr daa dac dad dag dar dca dcc dcd dcg dcr dda ddc ddd ddg ddr dga dgc dgd dgg dgr dra drc drd drg drr g-d gaa gac gad gag gar gca gcc gcd gcg gcr gda gdc gdd gdr gga ggc ggd ggg ggr gra grc grd grg grr ra- raa rac rad rag rar rca rcc rcd rcg rcr rda rdc rdd rdg rdr rga rgc rgd rgg rgr rra rrc rrd rrg rrr