a-a a-t aaa aad aag aao aar aat ad- ada add adg ado adr adt ag- aga agd agg ago agr agt aoa aod aog aoo aor aot ar- ara ard arg aro arr art at- ata atd atg ato atr att daa dad dag dao dar dat dda ddd ddg ddo ddr ddt dga dgd dgg dgr dgt doa dod dog doo dor dot dra drd drg dro drr drt dta dtd dtg dto dtr dtt g-d gaa gad gag gao gar gat gda gdd gdo gdr gdt gga ggd ggg ggo ggr ggt goa god gog goo gor got gra grd grg gro grr grt gta gtd gtg gto gtr gtt oaa oad oag oao oar oat oda odd odg odo odr odt oga ogd ogg ogo ogt oo- ooa ood oog ooo oor oot or- ora ord org oro orr ort ot- ota otd otg oto otr ott ra- raa rad rag rao rar rat rda rdd rdg rdo rdr rdt rga rgd rgg rgo rgr rgt roa rod rog roo ror rot rra rrd rrg rrr rrt rta rtd rtg rto rtr rtt taa tad tag tao tar tat tda tdd tdg tdo tdr tdt tga tgg tgo tgr tgt to- toa tod tog too tor tot tra trd trg tro trr trt tta ttd ttg tto ttr ttt