-ey ddd dde ddi ddo ddx ddy de- ded dee dei deo dex dey di- did die dii dio dix diy dod doe doi doo dox doy dxd dxi dxo dxx dy- dyd dye dyo dyy ed- edd ede edi edo edx edy eed eee eeo eex eey eid eie eii eio eix eo- eod eoe eoi eoo ex- exd exe exi exo exx exy eyd eye eyo i-d idd ide idi ido idx idy ie- ied iee iei iex iey iid iie iii iio iix io- iod ioe ioi ioo ixe ixi ixy iye iyo iyy o-i odd ode odi odo oed oee oei oeo oex oey oid oie oii oio oo- ood ooi ooo oox ox- oxi oxo oxx oxy oyd oye oyi oyo xde xdi xed xee xex xie xii xio xix xod xoi xoo xox xxi xxo xxx xxy xyy yde ydo ydy yed yee yei yeo yex yey yid yie yii yio yod yoe yoi yoo yox yoy yxe yxy yye yyy