-ey ddd dde ddo ddp ddx ddy de- ded dee deo dep dex dey dod doe doo dop dox doy dpd dpe dpo dpp dxd dxo dxp dxx dy- dyd dye dyo dyp dyy ed- edd ede edo edp edx edy eed eee eeo eep eex eey eo- eod eoe eoo eop ep- epd epe epo epp epx ex- exd exe exo exp exx exy eyd eye eyo eyp odd ode odo odp oed oee oeo oep oex oey oo- ood ooo oop oox op- opd ope opo opp opx opy ox- oxo oxx oxy oyd oye oyo p-p pdd pde pdo pdp pdx ped pee peo pep pex pey pod poe poo pop pox poy ppd ppe ppo ppp ppx pxe py- pyd pye pyo pyx xde xed xee xep xex xod xoo xop xox xpd xpe xpo xpp xxo xxp xxx xxy xyp xyy yde ydo ydy yed yee yeo yep yex yey yod yoe yoo yop yox yoy ypd ypo yxe yxy yye yyy