-ol bbb bbd bbf bbg bbi bbl bbn bbo bbs bdb bdd bdf bdg bdi bdl bdo bds bfb bfd bff bfg bfi bfl bfn bfo bfs bgb bgd bgf bgg bgi bgl bgn bgo bgs bi- bib bid bif big bii bil bin bio bis blb bld blf blg bli bll bln blo bls bnb bnd bnf bng bni bnl bnn bno bns bob bod bof bog boi bol bon boo bos bsb bsd bsf bsg bsi bsl bsn bso bss dbb dbd dbf dbg dbi dbl dbn dbo dbs ddb ddd ddf ddg ddi ddl ddn ddo dds dfb dfd dff dfg dfi dfl dfn dfo dfs dgd dgf dgg dgi dgl dgn dgs di- dib did dif dig dii dil din dio dis dl- dlb dld dlf dlg dli dll dlo dls dnb dnd dnf dng dni dnl dnn dno dns dob dod dof dog doi dol don doo dos dsb dsd dsf dsg dsi dsl dsn dso dss fbb fbd fbf fbg fbi fbl fbn fbo fbs fdb fdd fdf fdg fdi fdl fdn fdo fds ffd fff ffg ffi ffl ffn ffo ffs fgb fgd fgf fgg fgi fgl fgn fgs fib fid fif fig fii fil fin fis flb fld flf flg fli fll fln flo fls fnb fnd fnf fng fni fnl fnn fns fob fof fog foi fol fon foo fos fsb fsd fsf fsg fsi fsl fsn fso fss g-d gbd gbf gbg gbi gbl gbn gbo gbs gdb gdd gdf gdi gdl gdn gdo gds gfb gfd gff gfi gfl gfo gfs ggb ggd ggg ggi ggn ggo ggs gib gid gif gig gii gil gin gio gis glb gld glf glg gli gll gln glo gls gnb gnd gnf gni gnl gnn gno gns gob god gof gog goi gol gon goo gos gsb gsd gsf gsg gsi gsl gsn gso gss i-d i-f ibb ibd ibf ibg ibi ibl ibn ibo ibs idb idd idf idg idi idl idn ido ids ifb ifd iff ifg ifi ifl ifn ifo ifs igb igd igf igg igi igl ign igo igs iib iid iif iii iil iin iio iis il- ilb ild ilf ilg ili ill iln ilo ils in- inb ind inf ing ini inl inn ino ins io- iob iod iof iog ioi iol ion ioo ios is- isb isd isf isg isi isl isn iso iss lbb lbd lbf lbg lbi lbl lbo lbs ldb ldd ldf ldg ldi ldl ldn ldo lds lfb lfd lff lfg lfi lfl lfn lfo lfs lgb lgd lgf lgg lgi lgl lgn lgo lgs lib lid lif lig lii lil lin lio lis llb lld llf llg lli lll lln llo lls lnb lnd lng lni lnl lnn lno lns lob lod lof log loi lol lon loo los lsb lsd lsf lsg lsi lsl lsn lso lss n-i nbb nbd nbf nbg nbi nbl nbn nbo nbs ndb ndd ndf ndg ndi ndl ndn ndo nds nfb nfd nff nfi nfl nfn nfo nfs ngb ngd ngf ngg ngi ngl ngn ngo ngs nib nid nif nig nii nil nin nio nis nlb nld nlf nlg nli nll nln nlo nls nnb nnf nng nni nnl nnn nno nns no- nob nod nof nog noi nol non noo nos nsb nsd nsf nsg nsi nsl nsn nso nss o-i ob- obb obd obf obg obi obl obn obo obs odb odd odf odg odi odl odn odo ods of- ofb ofd off ofg ofi ofl ofn ofo ofs ogd ogf ogg ogi ogl ogn ogo ogs oib oid oif oii oil oin oio ois olb old olf olg oli oll oln olo ols on- onb ond onf ong oni onl onn ono ons oo- oob ood oof oog ooi ool oon ooo oos os- osb osd osf osg osi osl osn oso oss sbb sbd sbf sbg sbi sbl sbn sbo sbs sdb sdd sdf sdg sdi sdl sdn sdo sds sfb sfd sff sfg sfi sfl sfn sfo sfs sgb sgd sgf sgg sgi sgl sgn sgo sgs sib sid sif sig sii sil sin sio sis slb sld slf slg sli sll sln slo sls snb snd snf sng sni snl snn sno sns sob sod sof sog soi sol son soo sos ss- ssb ssd ssf ssg ssi ssl ssn sso sss