fff ffi ffk ffm ffn ffo fif fii fik fim fin fkf fki fkk fkm fmf fmi fmm fmn fmo fnf fni fnk fnm fnn fof foi fok fom fon foo i-f iff ifi ifm ifn ifo iif iii iim iin iio ikf iki ikk iko im- imf imi imm imn imo in- inf ini ink inm inn ino io- iof ioi iom ion ioo kff kfi kfm kfo kif kii kik kim kin kio kki kkk kkm kkn kmf kmi kmk kmm kmo kn- knf kni knk knm knn kno kof koi kok kom kon koo m-f m-o mff mfi mfm mfn mfo mi- mif mii mik mim min mio mkk mkm mkn mko mmf mmi mmk mmm mmn mmo mnf mni mnk mnm mnn mno mof moi mok mom mon moo n-i nff nfi nfk nfn nfo nif nii nik nim nin nio nkf nki nkk nkm nkn nko nmi nmk nmm nmn nmo nnf nni nnk nnm nnn nno no- nof noi nok nom non noo o-i of- off ofi ofm ofn ofo oif oii oik oim oin oio oki okk oko om- omf omi omm omn omo on- onf oni onk onn ono oo- oof ooi ook oom oon ooo