-ey ddd dde ddi ddo ddp ddx ddy de- ded dee dei deo dep dex dey di- did die dii dio dip dix diy dod doe doi doo dop dox doy dpd dpe dpi dpo dpp dxd dxi dxo dxp dxx dy- dyd dye dyo dyp dyy ed- edd ede edi edo edp edx edy eed eee eeo eep eex eey eid eie eii eio eip eix eo- eod eoe eoi eoo eop ep- epd epe epi epo epp epx ex- exd exe exi exo exp exx exy eyd eye eyo eyp i-d idd ide idi ido idp idx idy ie- ied iee iei iep iex iey iid iie iii iio iip iix io- iod ioe ioi ioo iop ipd ipe ipi ipo ipp ipx ipy ixe ixi ixy iye iyo iyy o-i odd ode odi odo odp oed oee oei oeo oep oex oey oid oie oii oio oip oo- ood ooi ooo oop oox op- opd ope opi opo opp opx opy ox- oxi oxo oxx oxy oyd oye oyi oyo p-p pdd pde pdi pdo pdp pdx ped pee pei peo pep pex pey pid pie pii pio pip pix pod poe poi poo pop pox poy ppd ppe ppi ppo ppp ppx pxe py- pyd pye pyo pyx xde xdi xed xee xep xex xie xii xio xix xod xoi xoo xop xox xpd xpe xpo xpp xxi xxo xxp xxx xxy xyp xyy yde ydo ydy yed yee yei yeo yep yex yey yid yie yii yio yip yod yoe yoi yoo yop yox yoy ypd ypo yxe yxy yye yyy