fff ffi ffn ffs ffx fif fii fin fis fix fnf fni fnn fns fnx fsf fsi fsn fss fsx fxi fxs fxx i-f iff ifi ifn ifs ifx iif iii iin iis iix in- inf ini inn ins inx is- isf isi isn iss ixi ixn n-i nff nfi nfn nfs nif nii nin nis nix nnf nni nnn nns nsf nsi nsn nss nsx sff sfi sfn sfs sfx sif sii sin sis six snf sni snn sns ss- ssf ssi ssn sss ssx sxi sxn sxs xfn xfs xfx xii xin xis xix xns xsi xss xxi xxx

ffff ffii ffss fiff fifi fiii fini finn fins fisi fiss fixx fsfi fsix fssf ifis ifni ifns iiii iiis iisi infi infs inis inni inns inss inxs isin isis issf issi isss ixxi n-ii nfff nfix niff nini nins nisi niss nixi nnnn nnss nsfs nsin nsis nssf nsss s-ii sfss siff sini sinn sins sisi siss sixx snns ssin ssis ssns sssf sssi ssss x-fi xfin xiii xisi xixi xsin xxii xxix xxxi xxxx

ffxii fiini finif finis finns fissi fixin if-- ifin iiiii infin infix inini innis insin is-is isfin isisi nisin s-iii sfinx si-in sinis sinix sinni sisis sissi sniff sssss xxiii xxxii xxxix

finiff finifs finnif finnix fisini fissi- infini siiiii sinfin sinini sisisi sissin sniffs xxxiii

finniff finniss infinis nin-sin sinsini sisinis sssssss xxxxxxx

i-ii-iii sixxxxxx

issisisis sixsixsix

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