bbb bbd bbi bbk bbn bbr bbs bdb bdd bdi bdk bdr bds bi- bib bid bii bik bin bir bis bkb bkk bkn bkr bks bnb bnd bni bnk bnn bnr bns brb brd bri brk brn brr brs bsb bsd bsi bsk bsn bsr bss dbb dbd dbi dbk dbn dbr dbs ddb ddd ddi ddk ddn ddr dds di- dib did dii dik din dir dis dkb dki dkk dkr dks dnb dnd dni dnk dnn dnr dns drb drd dri drk drn drr drs dsb dsd dsi dsk dsn dsr dss i-d ibb ibd ibi ibk ibn ibr ibs idb idd idi idk idn idr ids iib iid iii iin iir iis ikb iki ikk ikr iks in- inb ind ini ink inn inr ins ir- irb ird iri irk irn irr irs is- isb isd isi isk isn isr iss kbb kbd kbi kbk kbn kbr kbs kdb kdk kdr kds kib kid kii kik kin kir kis kkb kki kkk kkn kkr kks kn- knd kni knk knn knr krd kri krk krn krr krs ksb ksd ksi ksk ksn ksr kss n-i nbb nbd nbi nbk nbn nbr nbs ndb ndd ndi ndk ndn ndr nds nib nid nii nik nin nir nis nki nkk nkn nkr nks nnb nni nnk nnn nns nrb nrd nri nrk nrn nrr nrs nsb nsd nsi nsk nsn nsr nss rbb rbd rbi rbk rbn rbr rbs rdb rdd rdi rdn rdr rds rib rid rii rik rin rir ris rkb rkk rks rnb rnd rni rnn rnr rns rrb rrd rri rrk rrn rrr rrs rsb rsd rsi rsk rsn rsr rss sbb sbd sbi sbk sbn sbr sbs sdb sdd sdi sdk sdn sdr sds sib sid sii sik sin sir sis sk- skb skd ski skk skr sks snb snd sni snk snn snr sns sr- srb srd sri srk srn srr srs ss- ssb ssd ssi ssk ssn ssr sss