-ol fff ffg ffi ffk ffl ffn ffo ffs fgf fgg fgi fgl fgn fgs fif fig fii fik fil fin fis fkf fkg fki fkk fkl flf flg fli fll fln flo fls fnf fng fni fnk fnl fnn fns fof fog foi fok fol fon foo fos fsf fsg fsi fsk fsl fsn fso fss gff gfi gfk gfl gfo gfs ggg ggi ggn ggo ggs gif gig gii gik gil gin gio gis gkn gko gks glf glg gli glk gll gln glo gls gnf gni gnl gnn gno gns gof gog goi gok gol gon goo gos gsf gsg gsi gsk gsl gsn gso gss i-f iff ifg ifi ifl ifn ifo ifs igf igg igi igk igl ign igo igs iif iii iil iin iio iis ikf iki ikk ikl iko iks il- ilf ilg ili ilk ill iln ilo ils in- inf ing ini ink inl inn ino ins io- iof iog ioi iol ion ioo ios is- isf isg isi isk isl isn iso iss kff kfg kfi kfo kfs kgf kgi kgl kgo kgs kif kig kii kik kil kin kio kis kki kkk kkl kkn kks kl- klf klg kli klo kls kn- knf kng kni knk knl knn kno kof kog koi kok kol kon koo kos ksf ksg ksi ksk ksl ksn kso kss lff lfg lfi lfk lfl lfn lfo lfs lgf lgg lgi lgk lgl lgn lgo lgs lif lig lii lik lil lin lio lis lkg lkl lks llf llg lli llk lll lln llo lls lng lni lnk lnl lnn lno lns lof log loi lok lol lon loo los lsf lsg lsi lsk lsl lsn lso lss n-i nff nfi nfk nfl nfn nfo nfs ngf ngg ngi ngk ngl ngn ngo ngs nif nig nii nik nil nin nio nis nkf nki nkk nkn nko nks nlf nlg nli nlk nll nln nlo nls nnf nng nni nnk nnl nnn nno nns no- nof nog noi nok nol non noo nos nsf nsg nsi nsk nsl nsn nso nss o-i of- off ofg ofi ofl ofn ofo ofs ogf ogg ogi ogl ogn ogo ogs oif oii oik oil oin oio ois okg oki okk okl oko oks olf olg oli olk oll oln olo ols on- onf ong oni onk onl onn ono ons oo- oof oog ooi ook ool oon ooo oos os- osf osg osi osk osl osn oso oss sff sfg sfi sfk sfl sfn sfo sfs sgf sgg sgi sgk sgl sgn sgo sgs sif sig sii sik sil sin sio sis sk- skf skg ski skk skl sko sks slf slg sli slk sll sln slo sls snf sng sni snk snl snn sno sns sof sog soi sok sol son soo sos ss- ssf ssg ssi ssk ssl ssn sso sss