-er -ey ddd dde ddh ddo ddr ddy de- ded dee deh deo der dey dh- dhd dhe dhh dho dhr dod doe doh doo dor doy drd dre dro drr dry dy- dyd dye dyo dyr dyy ed- edd ede edh edo edr edy eed eee eeo eer eey ehd ehe ehh eho ehr eo- eod eoe eoh eoo eor erd ere erh ero err ery eyd eye eyo eyr hdd hde hdh hdo hdr hdy he- hed hee heh heo her hey hhd hhe hhh hho hhr hhy hod hoe hoh hoo hor hoy hr- hrd hre hrh hro hrr hy- hyd hye hyh hyo hyr hyy odd ode odh odo odr oed oee oeh oeo oer oey ohd ohe ohh oho ohr oo- ood ooh ooo oor or- ord ore orh oro orr ory oyd oye oyo rdd rde rdh rdo rdr rdy re- red ree reh reo rer rey rh- rhd rhe rhh rho rhr rod roe roh roo ror roy rrd rrh rrr ry- ryd rye ryo ryr ryy yde ydo ydy yed yee yeh yeo yer yey yhe yod yoe yoo yor yoy yre yro yye yyy