flint lfint filnt iflnt lifnt ilfnt flnit lfnit fnlit nflit lnfit nlfit finlt ifnlt fnilt nfilt inflt niflt linft ilnft lnift nlift inlft nilft flitn lfitn filtn ifltn liftn ilftn fltin lftin ftlin tflin ltfin tlfin fitln iftln ftiln tfiln itfln tifln litfn iltfn ltifn tlifn itlfn tilfn flnti lfnti fnlti nflti lnfti nlfti fltni lftni ftlni tflni ltfni tlfni fntli nftli ftnli tfnli ntfli tnfli lntfi nltfi ltnfi tlnfi ntlfi tnlfi fintl ifntl fnitl nfitl inftl niftl fitnl iftnl ftinl tfinl itfnl tifnl fntil nftil ftnil tfnil ntfil tnfil intfl nitfl itnfl tinfl ntifl tnifl lintf ilntf lnitf nlitf inltf niltf litnf iltnf ltinf tlinf itlnf tilnf lntif nltif ltnif tlnif ntlif tnlif intlf nitlf itnlf tinlf ntilf tnilf
Note: these 'words' (valid or invalid) are all the permutations of the word flint. These words are obtained by scrambling the letters in flint.