elfin lefin eflin felin lfein flein elifn leifn eilfn ielfn liefn ilefn efiln feiln eifln iefln fieln ifeln lfien flien lifen ilfen filen iflen elfni lefni eflni felni lfeni fleni elnfi lenfi enlfi nelfi lnefi nlefi efnli fenli enfli nefli fneli nfeli lfnei flnei lnfei nlfei fnlei nflei elinf leinf eilnf ielnf lienf ilenf elnif lenif enlif nelif lneif nleif einlf ienlf enilf neilf inelf nielf linef ilnef lnief nlief inlef nilef efinl feinl eifnl iefnl fienl ifenl efnil fenil enfil nefil fneil nfeil einfl ienfl enifl neifl inefl niefl finel ifnel fniel nfiel infel nifel lfine fline lifne ilfne filne iflne lfnie flnie lnfie nlfie fnlie nflie linfe ilnfe lnife nlife inlfe nilfe finle ifnle fnile nfile infle nifle
Note: these 'words' (valid or invalid) are all the permutations of the word elfin. These words are obtained by scrambling the letters in elfin.