-er -ol bbb bbd bbe bbl bbm bbo bbr bdb bdd bde bdl bdm bdo bdr be- beb bed bee bel bem beo ber blb bld ble bll blm blo blr bmb bmd bme bml bmm bmo bmr bob bod boe bol bom boo bor brb brd bre brl brm bro brr dbb dbd dbe dbl dbm dbo dbr ddb ddd dde ddl ddm ddo ddr de- deb ded dee del dem deo der dl- dlb dld dle dll dlm dlo dlr dmb dmd dme dml dmm dmo dmr dob dod doe dol dom doo dor drb drd dre drl drm dro drr ebb ebd ebe ebl ebm ebo ebr ed- edb edd ede edl edm edo edr eeb eed eee eel eem eeo eer elb eld ele ell elm elo elr em- emb emd eme eml emm emo emr eo- eob eod eoe eol eom eoo eor erb erd ere erl erm ero err lbb lbd lbe lbl lbm lbo lbr ldb ldd lde ldl ldm ldo ldr leb led lee lel lem leo ler llb lld lle lll llm llo llr lmb lmd lme lml lmm lmo lmr lob lod loe lol lom loo lor lrb lrd lrm lro lrr m-o m-r mbb mbd mbe mbl mbm mbo mbr mdb mdd mde mdl mdm mdo mdr meb med mee mel mem meo mer mlb mld mle mll mlm mlo mlr mmb mmd mme mml mmm mmo mmr mob mod moe mol mom moo mor mrb mrd mre mrl mrm mro mrr ob- obb obd obe obl obm obo obr odb odd ode odl odm odo odr oeb oed oee oel oem oeo oer olb old ole oll olm olo om- omb omd ome oml omm omo omr oo- oob ood ool oom ooo oor or- orb ord ore orl orm oro orr rbb rbd rbe rbl rbm rbo rbr rdb rdd rde rdl rdm rdo rdr re- reb red ree rel rem reo rer rld rle rll rlm rlo rlr rmb rmd rme rml rmm rmo rmr rob rod roe rol rom roo ror rrb rrd rrl rrm rrr