imtfa mitfa itmfa timfa mtifa tmifa imfta mifta ifmta fimta mfita fmita itfma tifma iftma fitma tfima ftima mtfia tmfia mftia fmtia tfmia ftmia imtaf mitaf itmaf timaf mtiaf tmiaf imatf miatf iamtf aimtf maitf amitf itamf tiamf iatmf aitmf taimf atimf mtaif tmaif matif amtif tamif atmif imfat mifat ifmat fimat mfiat fmiat imaft miaft iamft aimft maift amift ifamt fiamt iafmt aifmt faimt afimt mfait fmait mafit amfit famit afmit itfam tifam iftam fitam tfiam ftiam itafm tiafm iatfm aitfm taifm atifm ifatm fiatm iaftm aiftm faitm afitm tfaim ftaim tafim atfim fatim aftim mtfai tmfai mftai fmtai tfmai ftmai mtafi tmafi matfi amtfi tamfi atmfi mfati fmati mafti amfti famti afmti tfami ftami tafmi atfmi fatmi aftmi
Note: these 'words' (valid or invalid) are all the permutations of the word imtfa. These words are obtained by scrambling the letters in imtfa.