-ey ddd dde ddf ddi ddo ddt ddx ddy de- ded dee def dei deo det dex dey dfd dfe dff dfi dfo dft dfx di- did die dif dii dio dit dix diy dod doe dof doi doo dot dox doy dtd dte dtf dti dto dtt dtx dty dxd dxi dxo dxt dxx dy- dyd dye dyo dyy ed- edd ede edf edi edo edt edx edy eed eee eef eeo eet eex eey ef- efd efe eff efi efo eft efx eid eie eif eii eio eit eix eo- eod eoe eof eoi eoo eot etd ete etf eti eto ett etx ety ex- exd exe exi exo ext exx exy eyd eye eyo eyt fdd fde fdf fdi fdo fdt fdx fed fee fef fei feo fet fex fey ffd ffe fff ffi ffo fft ffx ffy fid fie fif fii fit fix foe fof foi foo fot fox foy ftd fte ftf fti fto ftt ftx fty fxe fxi fxt fxx fy- fye fyi fyo i-d i-f idd ide idf idi ido idt idx idy ie- ied iee ief iei iet iex iey ifd ife iff ifi ifo ift ifx ify iid iie iif iii iio iit iix io- iod ioe iof ioi ioo iot itd ite itf iti ito itt itx ity ixe ixi ixy iye iyo iyt iyy o-i odd ode odf odi odo odt oed oee oef oei oeo oet oex oey of- ofd ofe off ofi ofo oft ofx oid oie oif oii oio oit oo- ood oof ooi ooo oot oox ot- otd ote otf oti oto ott ox- oxf oxi oxo oxt oxx oxy oyd oye oyi oyo t-x tdd tde tdf tdi tdo tdt tdx tdy te- ted tee tef tei teo tet tex tey tfd tfe tff tfi tfo tft tfx tid tie tif tii tio tit tix tiy to- tod toe tof toi too tot tox toy ttd tte ttf tti tto ttt ttx tty txe txf txi txt tyd tye tyf tyo tyt xde xdf xdi xdt xed xee xet xex xfe xft xfx xie xii xio xit xix xod xof xoi xoo xot xox xtf xti xtx xty xxi xxo xxx xxy xyy yde ydo ydt ydy yed yee yef yei yeo yet yex yey yfd yfe yff yft yid yie yif yii yio yit yod yoe yof yoi yoo yot yox yoy ytd yte ytf yto ytt yxe yxy yye yyf yyt yyy