-ol bbb bbd bbe bbk bbl bbm bbo bdb bdd bde bdk bdl bdm bdo be- beb bed bee bek bel bem beo bkb bke bkk bkl bkm bko blb bld ble blk bll blm blo bmb bmd bme bmk bml bmm bmo bob bod boe bok bol bom boo dbb dbd dbe dbk dbl dbm dbo ddb ddd dde ddk ddl ddm ddo de- deb ded dee dek del dem deo dkb dke dkk dkl dkm dko dl- dlb dld dle dlk dll dlm dlo dmb dmd dme dmk dml dmm dmo dob dod doe dok dol dom doo ebb ebd ebe ebk ebl ebm ebo ed- edb edd ede edk edl edm edo eeb eed eee eek eel eem eeo ekb ekd eke ekl eko elb eld ele elk ell elm elo em- emb emd eme emk eml emm emo eo- eob eod eoe eok eol eom eoo kbb kbd kbe kbk kbl kbm kbo kdb kde kdk kdl kdm kdo ke- keb ked kee kek kel kem keo kkb kke kkk kkl kkm kl- klb kld klm klo kmb kmd kme kmk kml kmm kmo kob kod koe kok kol kom koo lbb lbd lbe lbk lbl lbm lbo ldb ldd lde ldk ldl ldm ldo leb led lee lek lel lem leo lkb lkl llb lld lle llk lll llm llo lmb lmd lme lmk lml lmm lmo lob lod loe lok lol lom loo m-o mbb mbd mbe mbk mbl mbm mbo mdb mdd mde mdk mdl mdm mdo meb med mee mek mel mem meo mkb mkd mke mkk mkl mkm mko mlb mld mle mlk mll mlm mlo mmb mmd mme mmk mml mmm mmo mob mod moe mok mol mom moo ob- obb obd obe obk obl obm obo odb odd ode odl odm odo oeb oed oee oel oem oeo okb okd oke okk okl oko olb old ole olk oll olm olo om- omb omd ome oml omm omo oo- oob ood ook ool oom ooo