a-a a-t aaa aag aam aao aat ag- aga agg agm ago agt ama amg amm amo amt aoa aog aom aoo aot at- ata atg atm ato att gaa gag gam gao gat gga ggg ggm ggo ggt gma gmg gmm gmo gmt goa gog gom goo got gta gtg gtm gto gtt m-o maa mag mam mao mat mga mgm mgo mgt mma mmg mmm mmo mmt moa mog mom moo mot mta mtg mtm mto mtt oaa oag oam oao oat oga ogg ogo ogt om- oma omg omm omo omt oo- ooa oog oom ooo oot ot- ota otg otm oto ott taa tag tam tao tat tga tgg tgm tgo tgt tma tmg tmm tmo tmt to- toa tog tom too tot tta ttg ttm tto ttt