-ol bbb bbd bbf bbi bbl bbn bbo bbs bdb bdd bdf bdi bdl bdo bds bfb bfd bff bfi bfl bfn bfo bfs bi- bib bid bif bii bil bin bio bis blb bld blf bli bll bln blo bls bnb bnd bnf bni bnl bnn bno bns bob bod bof boi bol bon boo bos bsb bsd bsf bsi bsl bsn bso bss dbb dbd dbf dbi dbl dbn dbo dbs ddb ddd ddf ddi ddl ddn ddo dds dfb dfd dff dfi dfl dfn dfo dfs di- dib did dif dii dil din dio dis dl- dlb dld dlf dli dll dlo dls dnb dnd dnf dni dnl dnn dno dns dob dod dof doi dol don doo dos dsb dsd dsf dsi dsl dsn dso dss fbb fbd fbf fbi fbl fbn fbo fbs fdb fdd fdf fdi fdl fdn fdo fds ffd fff ffi ffl ffn ffo ffs fib fid fif fii fil fin fis flb fld flf fli fll fln flo fls fnb fnd fnf fni fnl fnn fns fob fof foi fol fon foo fos fsb fsd fsf fsi fsl fsn fso fss i-d i-f ibb ibd ibf ibi ibl ibn ibo ibs idb idd idf idi idl idn ido ids ifb ifd iff ifi ifl ifn ifo ifs iib iid iif iii iil iin iio iis il- ilb ild ilf ili ill iln ilo ils in- inb ind inf ini inl inn ino ins io- iob iod iof ioi iol ion ioo ios is- isb isd isf isi isl isn iso iss lbb lbd lbf lbi lbl lbo lbs ldb ldd ldf ldi ldl ldn ldo lds lfb lfd lff lfi lfl lfn lfo lfs lib lid lif lii lil lin lio lis llb lld llf lli lll lln llo lls lnb lnd lni lnl lnn lno lns lob lod lof loi lol lon loo los lsb lsd lsf lsi lsl lsn lso lss n-i nbb nbd nbf nbi nbl nbn nbo nbs ndb ndd ndf ndi ndl ndn ndo nds nfb nfd nff nfi nfl nfn nfo nfs nib nid nif nii nil nin nio nis nlb nld nlf nli nll nln nlo nls nnb nnf nni nnl nnn nno nns no- nob nod nof noi nol non noo nos nsb nsd nsf nsi nsl nsn nso nss o-i ob- obb obd obf obi obl obn obo obs odb odd odf odi odl odn odo ods of- ofb ofd off ofi ofl ofn ofo ofs oib oid oif oii oil oin oio ois olb old olf oli oll oln olo ols on- onb ond onf oni onl onn ono ons oo- oob ood oof ooi ool oon ooo oos os- osb osd osf osi osl osn oso oss sbb sbd sbf sbi sbl sbn sbo sbs sdb sdd sdf sdi sdl sdn sdo sds sfb sfd sff sfi sfl sfn sfo sfs sib sid sif sii sil sin sio sis slb sld slf sli sll sln slo sls snb snd snf sni snl snn sno sns sob sod sof soi sol son soo sos ss- ssb ssd ssf ssi ssl ssn sso sss