fff ffi ffm ffn ffu fif fii fim fin fiu fmf fmi fmm fmn fmu fnf fni fnm fnn fnu fuf fui fum fun fuu i-f iff ifi ifm ifn ifu iif iii iim iin iiu im- imf imi imm imn imu in- inf ini inm inn inu iu- iui ium m-f mff mfi mfm mfn mfu mi- mif mii mim min miu mmf mmi mmm mmn mmu mnf mni mnm mnn mnu muf mui mum mun muu n-i nff nfi nfn nfu nif nii nim nin niu nmi nmm nmn nmu nnf nni nnm nnn nnu nui num nun nuu uff ufi ufm ufn ufu uif uii uim uin uiu um- umf umi umm umn umu un- unf uni unm unn unu uum uun uuu