a-a a-c aaa aac aad aae aag aas ac- aca acc acd ace acg acs ad- ada adc add ade adg ads aea aec aed aee aeg aes ag- aga agc agd age agg ags as- asa asc asd ase asg ass c-- caa cac cad cae cag cas cca ccc ccd cce ccg ccs cda cdc cdd cde cdg cds ce- cea cec ced cee ceg ces cga cgc cgd cge cgg cgs csa csc csd cse csg css daa dac dad dae dag das dca dcc dcd dce dcg dcs dda ddc ddd dde ddg dds de- dea dec ded dee deg des dga dgc dgd dge dgg dgs dsa dsc dsd dse dsg dss eaa eac ead eae eag eas ec- eca ecc ecd ece ecg ecs ed- eda edc edd ede edg eds eea eec eed eee eeg ees ega egc egd ege egg egs es- esa esc esd ese esg ess g-d gaa gac gad gae gag gas gca gcc gcd gce gcg gcs gda gdc gdd gde gds ge- gea gec ged gee geg ges gga ggc ggd ggg ggs gsa gsc gsd gse gsg gss saa sac sad sae sag sas sca scc scd sce scg scs sda sdc sdd sde sdg sds se- sea sec sed see seg ses sga sgc sgd sge sgg sgs ss- ssa ssc ssd sse ssg sss