bbb bbi bbk bbl bbn bbr bbs bi- bib bii bik bil bin bir bis bkb bkk bkl bkn bkr bks blb bli blk bll bln blr bls bnb bni bnk bnl bnn bnr bns brb bri brk brl brn brr brs bsb bsi bsk bsl bsn bsr bss ibb ibi ibk ibl ibn ibr ibs iib iii iil iin iir iis ikb iki ikk ikl ikr iks il- ilb ili ilk ill iln ilr ils in- inb ini ink inl inn inr ins ir- irb iri irk irl irn irr irs is- isb isi isk isl isn isr iss kbb kbi kbk kbl kbn kbr kbs kib kii kik kil kin kir kis kkb kki kkk kkl kkn kkr kks kl- klb kli klr kls kn- kni knk knl knn knr kri krk krl krn krr krs ksb ksi ksk ksl ksn ksr kss lbb lbi lbk lbl lbr lbs lib lii lik lil lin lir lis lkb lkl lkr lks llb lli llk lll lln llr lls lnb lni lnk lnl lnn lnr lns lrb lri lrk lrn lrr lrs lsb lsi lsk lsl lsn lsr lss n-i nbb nbi nbk nbl nbn nbr nbs nib nii nik nil nin nir nis nki nkk nkn nkr nks nlb nli nlk nll nln nlr nls nnb nni nnk nnl nnn nns nrb nri nrk nrl nrn nrr nrs nsb nsi nsk nsl nsn nsr nss rbb rbi rbk rbl rbn rbr rbs rib rii rik ril rin rir ris rkb rkk rks rli rll rln rlr rls rnb rni rnn rnr rns rrb rri rrk rrl rrn rrr rrs rsb rsi rsk rsl rsn rsr rss sbb sbi sbk sbl sbn sbr sbs sib sii sik sil sin sir sis sk- skb ski skk skl skr sks slb sli slk sll sln slr sls snb sni snk snl snn snr sns sr- srb sri srk srl srn srr srs ss- ssb ssi ssk ssl ssn ssr sss