a-a a-c aaa aac aag aap aar ac- aca acc acg acp acr ag- aga agc agg agp agr ap- apa apc apg app apr ar- ara arc arg arp arr c-- caa cac cag cap car cca ccc ccg ccp ccr cga cgc cgg cgp cgr cpa cpc cpg cpp cpr cra crc crg crp crr g-p gaa gac gag gap gar gca gcc gcg gcp gcr gga ggc ggg ggp ggr gpa gpc gpg gpp gpr gra grc grg grp grr p-p paa pac pag pap par pca pcc pcg pcp pcr pga pgc pgg pgp pgr ppa ppc ppg ppp ppr pra prc prg prp prr ra- raa rac rag rap rar rca rcc rcg rcp rcr rga rgc rgg rgp rgr rpa rpc rpg rpp rpr rra rrc rrg rrp rrr