bbb bbd bbf bbg bbi bbn bbo bbr bbs bdb bdd bdf bdg bdi bdo bdr bds bfb bfd bff bfg bfi bfn bfo bfr bfs bgb bgd bgf bgg bgi bgn bgo bgr bgs bi- bib bid bif big bii bin bio bir bis bnb bnd bnf bng bni bnn bno bnr bns bob bod bof bog boi bon boo bor bos brb brd brf brg bri brn bro brr brs bsb bsd bsf bsg bsi bsn bso bsr bss dbb dbd dbf dbg dbi dbn dbo dbr dbs ddb ddd ddf ddg ddi ddn ddo ddr dds dfb dfd dff dfg dfi dfn dfo dfr dfs dgd dgf dgg dgi dgn dgr dgs di- dib did dif dig dii din dio dir dis dnb dnd dnf dng dni dnn dno dnr dns dob dod dof dog doi don doo dor dos drb drd drg dri drn dro drr drs dsb dsd dsf dsg dsi dsn dso dsr dss fbb fbd fbf fbg fbi fbn fbo fbr fbs fdb fdd fdf fdg fdi fdn fdo fdr fds ffd fff ffg ffi ffn ffo ffr ffs fgb fgd fgf fgg fgi fgn fgr fgs fib fid fif fig fii fin fir fis fnb fnd fnf fng fni fnn fnr fns fob fof fog foi fon foo for fos frb frd frf frg fri frn fro frr frs fsb fsd fsf fsg fsi fsn fso fsr fss g-d gbd gbf gbg gbi gbn gbo gbr gbs gdb gdd gdf gdi gdn gdo gdr gds gfb gfd gff gfi gfo gfr gfs ggb ggd ggg ggi ggn ggo ggr ggs gib gid gif gig gii gin gio gir gis gnb gnd gnf gni gnn gno gnr gns gob god gof gog goi gon goo gor gos grb grd grf grg gri grn gro grr grs gsb gsd gsf gsg gsi gsn gso gsr gss i-d i-f ibb ibd ibf ibg ibi ibn ibo ibr ibs idb idd idf idg idi idn ido idr ids ifb ifd iff ifg ifi ifn ifo ifr ifs igb igd igf igg igi ign igo igr igs iib iid iif iii iin iio iir iis in- inb ind inf ing ini inn ino inr ins io- iob iod iof iog ioi ion ioo ior ios ir- irb ird irf irg iri irn iro irr irs is- isb isd isf isg isi isn iso isr iss n-i nbb nbd nbf nbg nbi nbn nbo nbr nbs ndb ndd ndf ndg ndi ndn ndo ndr nds nfb nfd nff nfi nfn nfo nfr nfs ngb ngd ngf ngg ngi ngn ngo ngs nib nid nif nig nii nin nio nir nis nnb nnf nng nni nnn nno nns no- nob nod nof nog noi non noo nor nos nrb nrd nrf nrg nri nrn nro nrr nrs nsb nsd nsf nsg nsi nsn nso nsr nss o-i ob- obb obd obf obg obi obn obo obr obs odb odd odf odg odi odn odo odr ods of- ofb ofd off ofg ofi ofn ofo ofr ofs ogd ogf ogg ogi ogn ogo ogs oib oid oif oii oin oio oir ois on- onb ond onf ong oni onn ono onr ons oo- oob ood oof oog ooi oon ooo oor oos or- orb ord orf org ori orn oro orr ors os- osb osd osf osg osi osn oso osr oss rbb rbd rbf rbg rbi rbn rbo rbr rbs rdb rdd rdf rdg rdi rdn rdo rdr rds rfb rfd rff rfg rfi rfn rfo rfr rfs rgb rgd rgf rgg rgi rgn rgo rgr rgs rib rid rif rig rii rin rio rir ris rnb rnd rng rni rnn rno rnr rns rob rod rof rog roi ron roo ror ros rrb rrd rrf rrg rri rrn rrr rrs rsb rsd rsf rsg rsi rsn rso rsr rss sbb sbd sbf sbg sbi sbn sbo sbr sbs sdb sdd sdf sdg sdi sdn sdo sdr sds sfb sfd sff sfg sfi sfn sfo sfr sfs sgb sgd sgf sgg sgi sgn sgo sgr sgs sib sid sif sig sii sin sio sir sis snb snd snf sng sni snn sno snr sns sob sod sof sog soi son soo sor sos sr- srb srd srf srg sri srn sro srr srs ss- ssb ssd ssf ssg ssi ssn sso ssr sss