-ol bbb bbd bbe bbk bbl bbn bbo bdb bdd bde bdk bdl bdo be- beb bed bee bek bel ben beo bkb bke bkk bkl bkn bko blb bld ble blk bll bln blo bnb bnd bne bnk bnl bnn bno bob bod boe bok bol bon boo dbb dbd dbe dbk dbl dbn dbo ddb ddd dde ddk ddl ddn ddo de- deb ded dee dek del den deo dkb dke dkk dkl dko dl- dlb dld dle dlk dll dlo dnb dnd dne dnk dnl dnn dno dob dod doe dok dol don doo ebb ebd ebe ebk ebl ebn ebo ed- edb edd ede edk edl edn edo eeb eed eee eek eel een eeo ekb ekd eke ekl eko elb eld ele elk ell eln elo en- enb end ene enk enl enn eno eo- eob eod eoe eok eol eon eoo kbb kbd kbe kbk kbl kbn kbo kdb kde kdk kdl kdo ke- keb ked kee kek kel ken keo kkb kke kkk kkl kkn kl- klb kld klo kn- knd kne knk knl knn kno kob kod koe kok kol kon koo lbb lbd lbe lbk lbl lbo ldb ldd lde ldk ldl ldn ldo leb led lee lek lel len leo lkb lkl llb lld lle llk lll lln llo lnb lnd lne lnk lnl lnn lno lob lod loe lok lol lon loo nbb nbd nbe nbk nbl nbn nbo ndb ndd nde ndk ndl ndn ndo ne- neb ned nee nek nel nen neo nke nkk nkn nko nlb nld nle nlk nll nln nlo nnb nne nnk nnl nnn nno no- nob nod noe nok nol non noo ob- obb obd obe obk obl obn obo odb odd ode odl odn odo oeb oed oee oel oen oeo okb okd oke okk okl oko olb old ole olk oll oln olo on- onb ond one onk onl onn ono oo- oob ood ook ool oon ooo