a-a a-t aaa aad aae aaf aao aat ad- ada add ade adf ado adt aea aed aee aef aeo aet af- afa afd afe aff afo aft aoa aod aoe aof aoo aot at- ata atd ate atf ato att daa dad dae daf dao dat dda ddd dde ddf ddo ddt de- dea ded dee def deo det dfa dfd dfe dff dfo dft doa dod doe dof doo dot dta dtd dte dtf dto dtt eaa ead eae eaf eao eat ed- eda edd ede edf edo edt eea eed eee eef eeo eet ef- efa efd efe eff efo eft eo- eoa eod eoe eof eoo eot eta etd ete etf eto ett faa fad fae faf fao fat fda fdd fde fdf fdo fdt fea fed fee fef feo fet ffa ffd ffe fff ffo fft foa foe fof foo fot fta ftd fte ftf fto ftt oaa oad oae oaf oao oat oda odd ode odf odo odt oea oed oee oef oeo oet of- ofa ofd ofe off ofo oft oo- ooa ood oof ooo oot ot- ota otd ote otf oto ott taa tad tae taf tao tat tda tdd tde tdf tdo tdt te- tea ted tee tef teo tet tfa tfd tfe tff tfo tft to- toa tod toe tof too tot tta ttd tte ttf tto ttt