a-a a-t aaa aad aae aaf aag aao aat ad- ada add ade adf adg ado adt aea aed aee aef aeg aeo aet af- afa afd afe aff afg afo aft ag- aga agd age agf agg ago agt aoa aod aoe aof aog aoo aot at- ata atd ate atf atg ato att daa dad dae daf dag dao dat dda ddd dde ddf ddg ddo ddt de- dea ded dee def deg deo det dfa dfd dfe dff dfg dfo dft dga dgd dge dgf dgg dgt doa dod doe dof dog doo dot dta dtd dte dtf dtg dto dtt eaa ead eae eaf eag eao eat ed- eda edd ede edf edg edo edt eea eed eee eef eeg eeo eet ef- efa efd efe eff efg efo eft ega egd ege egf egg ego egt eo- eoa eod eoe eof eog eoo eot eta etd ete etf etg eto ett faa fad fae faf fag fao fat fda fdd fde fdf fdg fdo fdt fea fed fee fef feg feo fet ffa ffd ffe fff ffg ffo fft fga fgd fge fgf fgg fgt foa foe fof fog foo fot fta ftd fte ftf ftg fto ftt g-d gaa gad gae gaf gag gao gat gda gdd gde gdf gdo gdt ge- gea ged gee gef geg geo get gfa gfd gfe gff gfo gft gga ggd ggg ggo ggt goa god goe gof gog goo got gta gtd gte gtf gtg gto gtt oaa oad oae oaf oag oao oat oda odd ode odf odg odo odt oea oed oee oef oeg oeo oet of- ofa ofd ofe off ofg ofo oft oga ogd oge ogf ogg ogo ogt oo- ooa ood oof oog ooo oot ot- ota otd ote otf otg oto ott taa tad tae taf tag tao tat tda tdd tde tdf tdg tdo tdt te- tea ted tee tef teg teo tet tfa tfd tfe tff tfg tfo tft tga tge tgf tgg tgo tgt to- toa tod toe tof tog too tot tta ttd tte ttf ttg tto ttt