a-a a-c aaa aac aag aao aap ac- aca acc acg aco acp ag- aga agc agg ago agp aoa aoc aog aoo aop ap- apa apc apg apo app c-- caa cac cag cao cap cca ccc ccg cco ccp cga cgc cgg cgo cgp co- coa coc cog coo cop cpa cpc cpg cpo cpp g-p gaa gac gag gao gap gca gcc gcg gco gcp gga ggc ggg ggo ggp goa goc gog goo gop gpa gpc gpg gpo gpp oaa oac oag oao oap oc- oca occ ocg oco ocp oga ogc ogg ogo ogp oo- ooa ooc oog ooo oop op- opa opc opg opo opp p-p paa pac pag pao pap pca pcc pcg pco pcp pga pgc pgg pgo pgp poa poc pog poo pop ppa ppc ppg ppo ppp