a-a a-t aaa aag aam aao aat aax ag- aga agg agm ago agt agx ama amg amm amo amt amx aoa aog aom aoo aot aox at- ata atg atm ato att atx ax- axa axm axo axt axx gaa gag gam gao gat gga ggg ggm ggo ggt gma gmg gmm gmo gmt gmx goa gog gom goo got gox gta gtg gtm gto gtt gtx gxa gxt m-o maa mag mam mao mat max mga mgm mgo mgt mgx mma mmg mmm mmo mmt mmx moa mog mom moo mot mox mta mtg mtm mto mtt mtx mxa oaa oag oam oao oat oax oga ogg ogo ogt ogx om- oma omg omm omo omt omx oo- ooa oog oom ooo oot oox ot- ota otg otm oto ott ox- oxa oxo oxt oxx t-x taa tag tam tao tat tax tga tgg tgm tgo tgt tma tmg tmm tmo tmt tmx to- toa tog tom too tot tox tta ttg ttm tto ttt ttx txt xaa xag xam xat xma xmg xmm xmo xmt xmx xoa xog xom xoo xot xox xtm xtx xxo xxx