-ol bbb bbd bbf bbg bbi bbl bbn bbo bbr bbs bdb bdd bdf bdg bdi bdl bdo bdr bds bfb bfd bff bfg bfi bfl bfn bfo bfr bfs bgb bgd bgf bgg bgi bgl bgn bgo bgr bgs bi- bib bid bif big bii bil bin bio bir bis blb bld blf blg bli bll bln blo blr bls bnb bnd bnf bng bni bnl bnn bno bnr bns bob bod bof bog boi bol bon boo bor bos brb brd brf brg bri brl brn bro brr brs bsb bsd bsf bsg bsi bsl bsn bso bsr bss dbb dbd dbf dbg dbi dbl dbn dbo dbr dbs ddb ddd ddf ddg ddi ddl ddn ddo ddr dds dfb dfd dff dfg dfi dfl dfn dfo dfr dfs dgd dgf dgg dgi dgl dgn dgr dgs di- dib did dif dig dii dil din dio dir dis dl- dlb dld dlf dlg dli dll dlo dlr dls dnb dnd dnf dng dni dnl dnn dno dnr dns dob dod dof dog doi dol don doo dor dos drb drd drg dri drl drn dro drr drs dsb dsd dsf dsg dsi dsl dsn dso dsr dss fbb fbd fbf fbg fbi fbl fbn fbo fbr fbs fdb fdd fdf fdg fdi fdl fdn fdo fdr fds ffd fff ffg ffi ffl ffn ffo ffr ffs fgb fgd fgf fgg fgi fgl fgn fgr fgs fib fid fif fig fii fil fin fir fis flb fld flf flg fli fll fln flo flr fls fnb fnd fnf fng fni fnl fnn fnr fns fob fof fog foi fol fon foo for fos frb frd frf frg fri frl frn fro frr frs fsb fsd fsf fsg fsi fsl fsn fso fsr fss g-d gbd gbf gbg gbi gbl gbn gbo gbr gbs gdb gdd gdf gdi gdl gdn gdo gdr gds gfb gfd gff gfi gfl gfo gfr gfs ggb ggd ggg ggi ggn ggo ggr ggs gib gid gif gig gii gil gin gio gir gis glb gld glf glg gli gll gln glo glr gls gnb gnd gnf gni gnl gnn gno gnr gns gob god gof gog goi gol gon goo gor gos grb grd grf grg gri grl grn gro grr grs gsb gsd gsf gsg gsi gsl gsn gso gsr gss i-d i-f ibb ibd ibf ibg ibi ibl ibn ibo ibr ibs idb idd idf idg idi idl idn ido idr ids ifb ifd iff ifg ifi ifl ifn ifo ifr ifs igb igd igf igg igi igl ign igo igr igs iib iid iif iii iil iin iio iir iis il- ilb ild ilf ilg ili ill iln ilo ilr ils in- inb ind inf ing ini inl inn ino inr ins io- iob iod iof iog ioi iol ion ioo ior ios ir- irb ird irf irg iri irl irn iro irr irs is- isb isd isf isg isi isl isn iso isr iss lbb lbd lbf lbg lbi lbl lbo lbr lbs ldb ldd ldf ldg ldi ldl ldn ldo ldr lds lfb lfd lff lfg lfi lfl lfn lfo lfr lfs lgb lgd lgf lgg lgi lgl lgn lgo lgr lgs lib lid lif lig lii lil lin lio lir lis llb lld llf llg lli lll lln llo llr lls lnb lnd lng lni lnl lnn lno lnr lns lob lod lof log loi lol lon loo lor los lrb lrd lrf lrg lri lrn lro lrr lrs lsb lsd lsf lsg lsi lsl lsn lso lsr lss n-i nbb nbd nbf nbg nbi nbl nbn nbo nbr nbs ndb ndd ndf ndg ndi ndl ndn ndo ndr nds nfb nfd nff nfi nfl nfn nfo nfr nfs ngb ngd ngf ngg ngi ngl ngn ngo ngs nib nid nif nig nii nil nin nio nir nis nlb nld nlf nlg nli nll nln nlo nlr nls nnb nnf nng nni nnl nnn nno nns no- nob nod nof nog noi nol non noo nor nos nrb nrd nrf nrg nri nrl nrn nro nrr nrs nsb nsd nsf nsg nsi nsl nsn nso nsr nss o-i ob- obb obd obf obg obi obl obn obo obr obs odb odd odf odg odi odl odn odo odr ods of- ofb ofd off ofg ofi ofl ofn ofo ofr ofs ogd ogf ogg ogi ogl ogn ogo ogs oib oid oif oii oil oin oio oir ois olb old olf olg oli oll oln olo ols on- onb ond onf ong oni onl onn ono onr ons oo- oob ood oof oog ooi ool oon ooo oor oos or- orb ord orf org ori orl orn oro orr ors os- osb osd osf osg osi osl osn oso osr oss rbb rbd rbf rbg rbi rbl rbn rbo rbr rbs rdb rdd rdf rdg rdi rdl rdn rdo rdr rds rfb rfd rff rfg rfi rfl rfn rfo rfr rfs rgb rgd rgf rgg rgi rgn rgo rgr rgs rib rid rif rig rii ril rin rio rir ris rld rlf rlg rli rll rln rlo rlr rls rnb rnd rng rni rnn rno rnr rns rob rod rof rog roi rol ron roo ror ros rrb rrd rrf rrg rri rrl rrn rrr rrs rsb rsd rsf rsg rsi rsl rsn rso rsr rss sbb sbd sbf sbg sbi sbl sbn sbo sbr sbs sdb sdd sdf sdg sdi sdl sdn sdo sdr sds sfb sfd sff sfg sfi sfl sfn sfo sfr sfs sgb sgd sgf sgg sgi sgl sgn sgo sgr sgs sib sid sif sig sii sil sin sio sir sis slb sld slf slg sli sll sln slo slr sls snb snd snf sng sni snl snn sno snr sns sob sod sof sog soi sol son soo sor sos sr- srb srd srf srg sri srl srn sro srr srs ss- ssb ssd ssf ssg ssi ssl ssn sso ssr sss