fff ffi ffm ffn ffu ffx fif fii fim fin fiu fix fmf fmi fmm fmn fmu fmx fnf fni fnm fnn fnu fnx fuf fui fum fun fuu fux fxi fxm fxu fxx i-f iff ifi ifm ifn ifu ifx iif iii iim iin iiu iix im- imf imi imm imn imu imx in- inf ini inm inn inu inx iu- iui ium ixi ixn m-f mff mfi mfm mfn mfu mi- mif mii mim min miu mix mmf mmi mmm mmn mmu mmx mnf mni mnm mnn mnu muf mui mum mun muu mux mxi mxn mxu n-i nff nfi nfn nfu nif nii nim nin niu nix nmi nmm nmn nmu nnf nni nnm nnn nnu nui num nun nuu nux uff ufi ufm ufn ufu ufx uif uii uim uin uiu um- umf umi umm umn umu un- unf uni unm unn unu unx uum uun uuu uxf uxu xfm xfn xfx xii xin xiu xix xmf xmi xmm xmu xmx xnu xui xun xxi xxx