-ol fff ffg ffi ffl ffn ffo ffs fgf fgg fgi fgl fgn fgs fif fig fii fil fin fis flf flg fli fll fln flo fls fnf fng fni fnl fnn fns fof fog foi fol fon foo fos fsf fsg fsi fsl fsn fso fss gff gfi gfl gfo gfs ggg ggi ggn ggo ggs gif gig gii gil gin gio gis glf glg gli gll gln glo gls gnf gni gnl gnn gno gns gof gog goi gol gon goo gos gsf gsg gsi gsl gsn gso gss i-f iff ifg ifi ifl ifn ifo ifs igf igg igi igl ign igo igs iif iii iil iin iio iis il- ilf ilg ili ill iln ilo ils in- inf ing ini inl inn ino ins io- iof iog ioi iol ion ioo ios is- isf isg isi isl isn iso iss lff lfg lfi lfl lfn lfo lfs lgf lgg lgi lgl lgn lgo lgs lif lig lii lil lin lio lis llf llg lli lll lln llo lls lng lni lnl lnn lno lns lof log loi lol lon loo los lsf lsg lsi lsl lsn lso lss n-i nff nfi nfl nfn nfo nfs ngf ngg ngi ngl ngn ngo ngs nif nig nii nil nin nio nis nlf nlg nli nll nln nlo nls nnf nng nni nnl nnn nno nns no- nof nog noi nol non noo nos nsf nsg nsi nsl nsn nso nss o-i of- off ofg ofi ofl ofn ofo ofs ogf ogg ogi ogl ogn ogo ogs oif oii oil oin oio ois olf olg oli oll oln olo ols on- onf ong oni onl onn ono ons oo- oof oog ooi ool oon ooo oos os- osf osg osi osl osn oso oss sff sfg sfi sfl sfn sfo sfs sgf sgg sgi sgl sgn sgo sgs sif sig sii sil sin sio sis slf slg sli sll sln slo sls snf sng sni snl snn sno sns sof sog soi sol son soo sos ss- ssf ssg ssi ssl ssn sso sss