-er -ey ddd dde ddm ddr ddu ddy de- ded dee dem der deu dey dmd dme dmm dmr dmu drd dre drm drr dru dry dud due dum dur duy dy- dyd dye dym dyr dyu dyy ed- edd ede edm edr edu edy eed eee eem eer eey em- emd eme emm emr emu erd ere erm err eru ery eu- eud eue eur eyd eye eym eyr m-r mdd mde mdm mdr mdu mdy med mee mem mer meu mey mmd mme mmm mmr mmu mrd mre mrm mrr mru mry mud mue mum mur muu muy my- myd mye mym myr myu rdd rde rdm rdr rdu rdy re- red ree rem rer reu rey rmd rme rmm rmr rrd rrm rrr rru rud rue rum rur ruu ruy ry- ryd rye rym ryr ryu ryy udd ude udm udr udu ued uee uem uer uey um- umd ume umm umr umu ur- urd ure urm urr uru ury uue uum uur uuu uyu yde ydy yed yee yem yer yey yme ymm yre yru yud yue yum yur yuu yuy yye yyu yyy