bbb bbd bbi bbn bbo bbr bbs bdb bdd bdi bdo bdr bds bi- bib bid bii bin bio bir bis bnb bnd bni bnn bno bnr bns bob bod boi bon boo bor bos brb brd bri brn bro brr brs bsb bsd bsi bsn bso bsr bss dbb dbd dbi dbn dbo dbr dbs ddb ddd ddi ddn ddo ddr dds di- dib did dii din dio dir dis dnb dnd dni dnn dno dnr dns dob dod doi don doo dor dos drb drd dri drn dro drr drs dsb dsd dsi dsn dso dsr dss i-d ibb ibd ibi ibn ibo ibr ibs idb idd idi idn ido idr ids iib iid iii iin iio iir iis in- inb ind ini inn ino inr ins io- iob iod ioi ion ioo ior ios ir- irb ird iri irn iro irr irs is- isb isd isi isn iso isr iss n-i nbb nbd nbi nbn nbo nbr nbs ndb ndd ndi ndn ndo ndr nds nib nid nii nin nio nir nis nnb nni nnn nno nns no- nob nod noi non noo nor nos nrb nrd nri nrn nro nrr nrs nsb nsd nsi nsn nso nsr nss o-i ob- obb obd obi obn obo obr obs odb odd odi odn odo odr ods oib oid oii oin oio oir ois on- onb ond oni onn ono onr ons oo- oob ood ooi oon ooo oor oos or- orb ord ori orn oro orr ors os- osb osd osi osn oso osr oss rbb rbd rbi rbn rbo rbr rbs rdb rdd rdi rdn rdo rdr rds rib rid rii rin rio rir ris rnb rnd rni rnn rno rnr rns rob rod roi ron roo ror ros rrb rrd rri rrn rrr rrs rsb rsd rsi rsn rso rsr rss sbb sbd sbi sbn sbo sbr sbs sdb sdd sdi sdn sdo sdr sds sib sid sii sin sio sir sis snb snd sni snn sno snr sns sob sod soi son soo sor sos sr- srb srd sri srn sro srr srs ss- ssb ssd ssi ssn sso ssr sss