fff ffg ffi ffm ffn ffo ffs fgf fgg fgi fgm fgn fgs fif fig fii fim fin fis fmf fmg fmi fmm fmn fmo fms fnf fng fni fnm fnn fns fof fog foi fom fon foo fos fsf fsg fsi fsm fsn fso fss gff gfi gfm gfo gfs ggg ggi ggm ggn ggo ggs gif gig gii gim gin gio gis gmf gmg gmi gmm gmn gmo gms gnf gni gnm gnn gno gns gof gog goi gom gon goo gos gsf gsg gsi gsm gsn gso gss i-f iff ifg ifi ifm ifn ifo ifs igf igg igi igm ign igo igs iif iii iim iin iio iis im- imf img imi imm imn imo ims in- inf ing ini inm inn ino ins io- iof iog ioi iom ion ioo ios is- isf isg isi ism isn iso iss m-f m-o mff mfg mfi mfm mfn mfo mfs mgf mgi mgm mgn mgo mgs mi- mif mig mii mim min mio mis mmf mmg mmi mmm mmn mmo mms mnf mng mni mnm mnn mno mns mof mog moi mom mon moo mos msf msg msi msm msn mso mss n-i nff nfi nfn nfo nfs ngf ngg ngi ngm ngn ngo ngs nif nig nii nim nin nio nis nmg nmi nmm nmn nmo nms nnf nng nni nnm nnn nno nns no- nof nog noi nom non noo nos nsf nsg nsi nsm nsn nso nss o-i of- off ofg ofi ofm ofn ofo ofs ogf ogg ogi ogn ogo ogs oif oii oim oin oio ois om- omf omg omi omm omn omo oms on- onf ong oni onn ono ons oo- oof oog ooi oom oon ooo oos os- osf osg osi osm osn oso oss sff sfg sfi sfm sfn sfo sfs sgf sgg sgi sgm sgn sgo sgs sif sig sii sim sin sio sis smf smg smi smm smn smo sms snf sng sni snm snn sno sns sof sog soi som son soo sos ss- ssf ssg ssi ssm ssn sso sss