-ol bbb bbd bbe bbl bbm bbo bdb bdd bde bdl bdm bdo be- beb bed bee bel bem beo blb bld ble bll blm blo bmb bmd bme bml bmm bmo bob bod boe bol bom boo dbb dbd dbe dbl dbm dbo ddb ddd dde ddl ddm ddo de- deb ded dee del dem deo dl- dlb dld dle dll dlm dlo dmb dmd dme dml dmm dmo dob dod doe dol dom doo ebb ebd ebe ebl ebm ebo ed- edb edd ede edl edm edo eeb eed eee eel eem eeo elb eld ele ell elm elo em- emb emd eme eml emm emo eo- eob eod eoe eol eom eoo lbb lbd lbe lbl lbm lbo ldb ldd lde ldl ldm ldo leb led lee lel lem leo llb lld lle lll llm llo lmb lmd lme lml lmm lmo lob lod loe lol lom loo m-o mbb mbd mbe mbl mbm mbo mdb mdd mde mdl mdm mdo meb med mee mel mem meo mlb mld mle mll mlm mlo mmb mmd mme mml mmm mmo mob mod moe mol mom moo ob- obb obd obe obl obm obo odb odd ode odl odm odo oeb oed oee oel oem oeo olb old ole oll olm olo om- omb omd ome oml omm omo oo- oob ood ool oom ooo