-er -ey ddd dde ddh ddo ddr ddu ddy de- ded dee deh deo der deu dey dh- dhd dhe dhh dho dhr dhu dod doe doh doo dor dou doy drd dre dro drr dru dry dud due duh duo dur duy dy- dyd dye dyo dyr dyu dyy ed- edd ede edh edo edr edu edy eed eee eeo eer eey ehd ehe ehh eho ehr ehu eo- eod eoe eoh eoo eor eou erd ere erh ero err eru ery eu- eud eue eur eyd eye eyo eyr hdd hde hdh hdo hdr hdu hdy he- hed hee heh heo her heu hey hhd hhe hhh hho hhr hhu hhy hod hoe hoh hoo hor hou hoy hr- hrd hre hrh hro hrr hru hud hue huh huo hur huu huy hy- hyd hye hyh hyo hyr hyy odd ode odh odo odr odu oed oee oeh oeo oer oey ohd ohe ohh oho ohr ohu oo- ood ooh ooo oor or- ord ore orh oro orr oru ory ou- oud oue ouh ouo our oyd oye oyo rdd rde rdh rdo rdr rdu rdy re- red ree reh reo rer reu rey rh- rhd rhe rhh rho rhr rhu rod roe roh roo ror rou roy rrd rrh rrr rru rud rue ruh ruo rur ruu ruy ry- ryd rye ryo ryr ryu ryy udd ude udo udr udu ued uee ueh uer uey uhd uhe uhh uho uhr uhu uhy uod uoe uoo uor ur- urd ure uro urr uru ury uue uur uuu uyo uyu yde ydo ydy yed yee yeh yeo yer yey yhe yhu yod yoe yoo yor you yoy yre yro yru yud yue yuh yuo yur yuu yuy yye yyu yyy