a-a a-c aaa aac aag aap aas ac- aca acc acg acp acs ag- aga agc agg agp ags ap- apa apc apg app aps as- asa asc asg asp ass c-- caa cac cag cap cas cca ccc ccg ccp ccs cga cgc cgg cgp cgs cpa cpc cpg cpp cps csa csc csg csp css g-p gaa gac gag gap gas gca gcc gcg gcp gcs gga ggc ggg ggp ggs gpa gpc gpg gpp gps gsa gsc gsg gsp gss p-p paa pac pag pap pas pca pcc pcg pcp pcs pga pgc pgg pgp pgs ppa ppc ppg ppp pps ps- psa psc psg psp pss saa sac sag sap sas sca scc scg scp scs sga sgc sgg sgp sgs spa spc spg spp sps ss- ssa ssc ssg ssp sss