-ol fff ffg ffi ffl ffm ffo ffs fgf fgg fgi fgl fgm fgs fif fig fii fil fim fis flf flg fli fll flm flo fls fmf fmg fmi fml fmm fmo fms fof fog foi fol fom foo fos fsf fsg fsi fsl fsm fso fss gff gfi gfl gfm gfo gfs ggg ggi ggm ggo ggs gif gig gii gil gim gio gis glf glg gli gll glm glo gls gmf gmg gmi gml gmm gmo gms gof gog goi gol gom goo gos gsf gsg gsi gsl gsm gso gss i-f iff ifg ifi ifl ifm ifo ifs igf igg igi igl igm igo igs iif iii iil iim iio iis il- ilf ilg ili ill ilm ilo ils im- imf img imi iml imm imo ims io- iof iog ioi iol iom ioo ios is- isf isg isi isl ism iso iss lff lfg lfi lfl lfm lfo lfs lgf lgg lgi lgl lgm lgo lgs lif lig lii lil lim lio lis llf llg lli lll llm llo lls lmf lmg lmi lml lmm lmo lms lof log loi lol lom loo los lsf lsg lsi lsl lsm lso lss m-f m-o mff mfg mfi mfl mfm mfo mfs mgf mgi mgl mgm mgo mgs mi- mif mig mii mil mim mio mis mlf mlg mli mll mlm mlo mls mmf mmg mmi mml mmm mmo mms mof mog moi mol mom moo mos msf msg msi msl msm mso mss o-i of- off ofg ofi ofl ofm ofo ofs ogf ogg ogi ogl ogo ogs oif oii oil oim oio ois olf olg oli oll olm olo ols om- omf omg omi oml omm omo oms oo- oof oog ooi ool oom ooo oos os- osf osg osi osl osm oso oss sff sfg sfi sfl sfm sfo sfs sgf sgg sgi sgl sgm sgo sgs sif sig sii sil sim sio sis slf slg sli sll slm slo sls smf smg smi sml smm smo sms sof sog soi sol som soo sos ss- ssf ssg ssi ssl ssm sso sss