-ey ddd dde ddo ddt ddu ddy de- ded dee deo det deu dey dod doe doo dot dou doy dtd dte dto dtt dtu dty dud due duo dut duy dy- dyd dye dyo dyu dyy ed- edd ede edo edt edu edy eed eee eeo eet eey eo- eod eoe eoo eot eou etd ete eto ett etu ety eu- eud eue eut eyd eye eyo eyt odd ode odo odt odu oed oee oeo oet oey oo- ood ooo oot ot- otd ote oto ott otu ou- oud oue ouo out oyd oye oyo tdd tde tdo tdt tdu tdy te- ted tee teo tet teu tey to- tod toe too tot tou toy ttd tte tto ttt ttu tty tud tue tuo tut tuu tuy tyd tye tyo tyt udd ude udo udt udu ued uee uet uey uod uoe uoo uot utd ute uto utt utu uty uue uut uuu uyo uyu yde ydo ydt ydy yed yee yeo yet yey yod yoe yoo yot you yoy ytd yte yto ytt ytu yud yue yuo yut yuu yuy yye yyt yyu yyy