-er bbb bbd bbe bbi bbk bbl bbn bbr bdb bdd bde bdi bdk bdl bdr be- beb bed bee bei bek bel ben ber bi- bib bid bie bii bik bil bin bir bkb bke bkk bkl bkn bkr blb bld ble bli blk bll bln blr bnb bnd bne bni bnk bnl bnn bnr brb brd bre bri brk brl brn brr dbb dbd dbe dbi dbk dbl dbn dbr ddb ddd dde ddi ddk ddl ddn ddr de- deb ded dee dei dek del den der di- dib did die dii dik dil din dir dkb dke dki dkk dkl dkr dl- dlb dld dle dli dlk dll dlr dnb dnd dne dni dnk dnl dnn dnr drb drd dre dri drk drl drn drr ebb ebd ebe ebi ebk ebl ebn ebr ed- edb edd ede edi edk edl edn edr eeb eed eee eek eel een eer eib eid eie eii eik eil ein eir ekb ekd eke eki ekl ekr elb eld ele eli elk ell eln elr en- enb end ene eni enk enl enn enr erb erd ere eri erk erl ern err i-d ibb ibd ibe ibi ibk ibl ibn ibr idb idd ide idi idk idl idn idr ie- ied iee iei iek iel ien ier iib iid iie iii iil iin iir ikb ike iki ikk ikl ikr il- ilb ild ile ili ilk ill iln ilr in- inb ind ine ini ink inl inn inr ir- irb ird ire iri irk irl irn irr kbb kbd kbe kbi kbk kbl kbn kbr kdb kde kdk kdl kdr ke- keb ked kee kei kek kel ken ker kib kid kie kii kik kil kin kir kkb kke kki kkk kkl kkn kkr kl- klb kld kli klr kn- knd kne kni knk knl knn knr krd kri krk krl krn krr lbb lbd lbe lbi lbk lbl lbr ldb ldd lde ldi ldk ldl ldn ldr leb led lee lei lek lel len ler lib lid lie lii lik lil lin lir lkb lkl lkr llb lld lle lli llk lll lln llr lnb lnd lne lni lnk lnl lnn lnr lrb lrd lri lrk lrn lrr n-i nbb nbd nbe nbi nbk nbl nbn nbr ndb ndd nde ndi ndk ndl ndn ndr ne- neb ned nee nei nek nel nen ner nib nid nie nii nik nil nin nir nke nki nkk nkn nkr nlb nld nle nli nlk nll nln nlr nnb nne nni nnk nnl nnn nrb nrd nre nri nrk nrl nrn nrr rbb rbd rbe rbi rbk rbl rbn rbr rdb rdd rde rdi rdl rdn rdr re- reb red ree rei rek rel ren rer rib rid rie rii rik ril rin rir rkb rke rkk rld rle rli rll rln rlr rnb rnd rni rnn rnr rrb rrd rri rrk rrl rrn rrr