-ey ddd dde ddf ddi ddt ddy de- ded dee def dei det dey dfd dfe dff dfi dft di- did die dif dii dit diy dtd dte dtf dti dtt dty dy- dyd dye dyy ed- edd ede edf edi edt edy eed eee eef eet eey ef- efd efe eff efi eft eid eie eif eii eit etd ete etf eti ett ety eyd eye eyt fdd fde fdf fdi fdt fed fee fef fei fet fey ffd ffe fff ffi fft ffy fid fie fif fii fit ftd fte ftf fti ftt fty fy- fye fyi i-d i-f idd ide idf idi idt idy ie- ied iee ief iei iet iey ifd ife iff ifi ift ify iid iie iif iii iit itd ite itf iti itt ity iye iyt iyy tdd tde tdf tdi tdt tdy te- ted tee tef tei tet tey tfd tfe tff tfi tft tid tie tif tii tit tiy ttd tte ttf tti ttt tty tyd tye tyf tyt yde ydt ydy yed yee yef yei yet yey yfd yfe yff yft yid yie yif yii yit ytd yte ytf ytt yye yyf yyt yyy