-er -ey bbb bbd bbe bbm bbo bbr bby bdb bdd bde bdm bdo bdr bdy be- beb bed bee bem beo ber bey bmb bmd bme bmm bmo bmr bob bod boe bom boo bor boy brb brd bre brm bro brr bry by- byd bye bym byo byr dbb dbd dbe dbm dbo dbr dby ddb ddd dde ddm ddo ddr ddy de- deb ded dee dem deo der dey dmb dmd dme dmm dmo dmr dob dod doe dom doo dor doy drb drd dre drm dro drr dry dy- dyb dyd dye dym dyo dyr dyy ebb ebd ebe ebm ebo ebr eby ed- edb edd ede edm edo edr edy eeb eed eee eem eeo eer eey em- emb emd eme emm emo emr eo- eob eod eoe eom eoo eor erb erd ere erm ero err ery eyd eye eym eyo eyr m-o m-r mbb mbd mbe mbm mbo mbr mdb mdd mde mdm mdo mdr mdy meb med mee mem meo mer mey mmb mmd mme mmm mmo mmr mob mod moe mom moo mor moy mrb mrd mre mrm mro mrr mry my- myb myd mye mym myo myr ob- obb obd obe obm obo obr oby odb odd ode odm odo odr oeb oed oee oem oeo oer oey om- omb omd ome omm omo omr omy oo- oob ood oom ooo oor or- orb ord ore orm oro orr ory oyd oye oyo rbb rbd rbe rbm rbo rbr rdb rdd rde rdm rdo rdr rdy re- reb red ree rem reo rer rey rmb rmd rme rmm rmo rmr rob rod roe rom roo ror roy rrb rrd rrm rrr ry- ryd rye rym ryo ryr ryy ybe ybm ybr yby yde ydo ydy yeb yed yee yem yeo yer yey yme ymm ymo yob yod yoe yom yoo yor yoy yre yro yyb yye yyy