flain lfain falin aflin lafin alfin flian lfian filan iflan lifan ilfan failn afiln fialn ifaln aifln iafln laifn alifn liafn ilafn ailfn ialfn flani lfani falni aflni lafni alfni flnai lfnai fnlai nflai lnfai nlfai fanli afnli fnali nfali anfli nafli lanfi alnfi lnafi nlafi anlfi nalfi flina lfina filna iflna lifna ilfna flnia lfnia fnlia nflia lnfia nlfia finla ifnla fnila nfila infla nifla linfa ilnfa lnifa nlifa inlfa nilfa fainl afinl fianl ifanl aifnl iafnl fanil afnil fnail nfail anfil nafil final ifnal fnial nfial infal nifal ainfl ianfl anifl naifl inafl niafl lainf alinf lianf ilanf ailnf ialnf lanif alnif lnaif nlaif anlif nalif linaf ilnaf lniaf nliaf inlaf nilaf ainlf ianlf anilf nailf inalf nialf
Note: these 'words' (valid or invalid) are all the permutations of the word flain. These words are obtained by scrambling the letters in flain.