a-a a-c aaa aac aae aag aas aaw ac- aca acc ace acg acs acw aea aec aee aeg aes aew ag- aga agc age agg ags agw as- asa asc ase asg ass asw aw- awa awc awe awg aws aww c-- caa cac cae cag cas caw cca ccc cce ccg ccs ccw ce- cea cec cee ceg ces cew cga cgc cge cgg cgs cgw csa csc cse csg css csw cw- cwa cwc cwe cwg cws eaa eac eae eag eas eaw ec- eca ecc ece ecg ecs ecw eea eec eee eeg ees eew ega egc ege egg egs egw es- esa esc ese esg ess esw ewa ewc ewe ews eww gaa gac gae gag gas gaw gca gcc gce gcg gcs gcw ge- gea gec gee geg ges gew gga ggc ggg ggs ggw gsa gsc gse gsg gss gsw gwa gwc gwe gwg gws saa sac sae sag sas saw sca scc sce scg scs scw se- sea sec see seg ses sew sga sgc sge sgg sgs ss- ssa ssc sse ssg sss ssw swa swc swe swg sws waa wac wae wag was waw wca wcc wce wcg wcs wcw wea wec wee weg wes wew wga wgc wgs wgw wsa wsc wse wsg wss wsw wwa wwc wwe www