-er -ey ddd dde ddm ddo ddr ddt ddy de- ded dee dem deo der det dey dmd dme dmm dmo dmr dmt dod doe dom doo dor dot doy drd dre drm dro drr drt dry dtd dte dtm dto dtr dtt dty dy- dyd dye dym dyo dyr dyy ed- edd ede edm edo edr edt edy eed eee eem eeo eer eet eey em- emd eme emm emo emr emt eo- eod eoe eom eoo eor eot erd ere erm ero err ert ery etd ete etm eto etr ett ety eyd eye eym eyo eyr eyt m-o m-r mdd mde mdm mdo mdr mdt mdy med mee mem meo mer met mey mmd mme mmm mmo mmr mmt mod moe mom moo mor mot moy mrd mre mrm mro mrr mrt mry mtd mte mtm mto mtr mtt my- myd mye mym myo myr myt odd ode odm odo odr odt oed oee oem oeo oer oet oey om- omd ome omm omo omr omt omy oo- ood oom ooo oor oot or- ord ore orm oro orr ort ory ot- otd ote otm oto otr ott oyd oye oyo rdd rde rdm rdo rdr rdt rdy re- red ree rem reo rer ret rey rmd rme rmm rmo rmr rmt rod roe rom roo ror rot roy rrd rrm rrr rrt rtd rte rtm rto rtr rtt rty ry- ryd rye rym ryo ryr ryy tdd tde tdm tdo tdr tdt tdy te- ted tee tem teo ter tet tey tmd tme tmm tmo tmr tmt tmy to- tod toe tom too tor tot toy trd tre trm tro trr trt try ttd tte ttm tto ttr ttt tty tyd tye tym tyo tyr tyt yde ydo ydt ydy yed yee yem yeo yer yet yey yme ymm ymo ymt yod yoe yom yoo yor yot yoy yre yro yrt ytd yte ytm yto ytr ytt yye yyt yyy