a-a a-c aaa aac aaf aag aam ac- aca acc acf acg acm af- afa afc aff afg afm ag- aga agc agf agg agm ama amc amf amg amm c-- caa cac caf cag cam cca ccc ccf ccg ccm cfa cfc cff cfg cfm cga cgc cgg cgm cma cmc cmf cmg cmm faa fac faf fag fam fca fcc fcf fcg fcm ffa ffc fff ffg ffm fga fgc fgf fgg fgm fma fmc fmf fmg fmm gaa gac gaf gag gam gca gcc gcf gcg gcm gfa gfc gff gfm gga ggc ggg ggm gma gmc gmf gmg gmm m-f maa mac maf mag mam mc- mca mcc mcf mcg mcm mfa mfc mff mfg mfm mga mgc mgf mgm mma mmc mmf mmg mmm