-er -ey ddd dde ddm ddo ddp ddr ddy de- ded dee dem deo dep der dey dmd dme dmm dmo dmp dmr dod doe dom doo dop dor doy dpd dpe dpm dpo dpp dpr drd dre drm dro drp drr dry dy- dyd dye dym dyo dyp dyr dyy ed- edd ede edm edo edp edr edy eed eee eem eeo eep eer eey em- emd eme emm emo emp emr eo- eod eoe eom eoo eop eor ep- epd epe epm epo epp epr erd ere erm ero erp err ery eyd eye eym eyo eyp eyr m-o m-r mdd mde mdm mdo mdp mdr mdy med mee mem meo mep mer mey mmd mme mmm mmo mmp mmr mod moe mom moo mop mor moy mpd mpe mpm mpo mpp mpr mrd mre mrm mro mrp mrr mry my- myd mye mym myo myr odd ode odm odo odp odr oed oee oem oeo oep oer oey om- omd ome omm omo omp omr omy oo- ood oom ooo oop oor op- opd ope opm opo opp opr opy or- ord ore orm oro orp orr ory oyd oye oyo p-p pdd pde pdm pdo pdp pdr ped pee pem peo pep per pey pmd pme pmm pmo pmp pmr pod poe pom poo pop por poy ppd ppe ppm ppo ppp ppr prd pre prm pro prp prr pry py- pyd pye pym pyo pyr rdd rde rdm rdo rdp rdr rdy re- red ree rem reo rep rer rey rmd rme rmm rmo rmp rmr rod roe rom roo rop ror roy rpd rpe rpm rpo rpp rpr rrd rrm rrp rrr ry- ryd rye rym ryo ryr ryy yde ydo ydy yed yee yem yeo yep yer yey yme ymm ymo yod yoe yom yoo yop yor yoy ypd ypo yre yro yrp yye yyy