a-a a-c a-t aaa aac aad aaf aag aao aat ac- aca acc acd acf acg aco act ad- ada adc add adf adg ado adt af- afa afc afd aff afg afo aft ag- aga agc agd agf agg ago agt aoa aoc aod aof aog aoo aot at- ata atc atd atf atg ato att c-- caa cac cad caf cag cao cat cca ccc ccd ccf ccg cco cct cda cdc cdd cdf cdg cdo cdt cfa cfc cfd cff cfg cfo cft cga cgc cgd cgg cgo cgt co- coa coc cod cof cog coo cot cta ctc ctd ctf ctg cto ctt daa dac dad daf dag dao dat dca dcc dcd dcf dcg dco dct dda ddc ddd ddf ddg ddo ddt dfa dfc dfd dff dfg dfo dft dga dgc dgd dgf dgg dgt doa doc dod dof dog doo dot dta dtc dtd dtf dtg dto dtt faa fac fad faf fag fao fat fca fcc fcd fcf fcg fco fct fda fdc fdd fdf fdg fdo fdt ffa ffc ffd fff ffg ffo fft fga fgc fgd fgf fgg fgt foa foc fof fog foo fot fta ftc ftd ftf ftg fto ftt g-d gaa gac gad gaf gag gao gat gca gcc gcd gcf gcg gco gct gda gdc gdd gdf gdo gdt gfa gfc gfd gff gfo gft gga ggc ggd ggg ggo ggt goa goc god gof gog goo got gta gtc gtd gtf gtg gto gtt oaa oac oad oaf oag oao oat oc- oca occ ocd ocf ocg oco oct oda odc odd odf odg odo odt of- ofa ofc ofd off ofg ofo oft oga ogc ogd ogf ogg ogo ogt oo- ooa ooc ood oof oog ooo oot ot- ota otc otd otf otg oto ott taa tac tad taf tag tao tat tca tcc tcd tcf tcg tco tct tda tdc tdd tdf tdg tdo tdt tfa tfc tfd tff tfg tfo tft tga tgc tgf tgg tgo tgt to- toa toc tod tof tog too tot tta ttc ttd ttf ttg tto ttt