-er -ey ddd dde ddm ddo ddr ddu ddy de- ded dee dem deo der deu dey dmd dme dmm dmo dmr dmu dod doe dom doo dor dou doy drd dre drm dro drr dru dry dud due dum duo dur duy dy- dyd dye dym dyo dyr dyu dyy ed- edd ede edm edo edr edu edy eed eee eem eeo eer eey em- emd eme emm emo emr emu eo- eod eoe eom eoo eor eou erd ere erm ero err eru ery eu- eud eue eur eyd eye eym eyo eyr m-o m-r mdd mde mdm mdo mdr mdu mdy med mee mem meo mer meu mey mmd mme mmm mmo mmr mmu mod moe mom moo mor mou moy mrd mre mrm mro mrr mru mry mud mue mum mur muu muy my- myd mye mym myo myr myu odd ode odm odo odr odu oed oee oem oeo oer oey om- omd ome omm omo omr omu omy oo- ood oom ooo oor or- ord ore orm oro orr oru ory ou- oud oue oum ouo our oyd oye oyo rdd rde rdm rdo rdr rdu rdy re- red ree rem reo rer reu rey rmd rme rmm rmo rmr rod roe rom roo ror rou roy rrd rrm rrr rru rud rue rum ruo rur ruu ruy ry- ryd rye rym ryo ryr ryu ryy udd ude udm udo udr udu ued uee uem uer uey um- umd ume umm umo umr umu uod uoe uom uoo uor ur- urd ure urm uro urr uru ury uue uum uur uuu uyo uyu yde ydo ydy yed yee yem yeo yer yey yme ymm ymo yod yoe yom yoo yor you yoy yre yro yru yud yue yum yuo yur yuu yuy yye yyu yyy