fighn ifghn fgihn gfihn igfhn gifhn fihgn ifhgn fhign hfign ihfgn hifgn fghin gfhin fhgin hfgin ghfin hgfin ighfn gihfn ihgfn higfn ghifn hgifn fignh ifgnh fginh gfinh igfnh gifnh fingh ifngh fnigh nfigh infgh nifgh fgnih gfnih fngih nfgih gnfih ngfih ignfh ginfh ingfh nigfh gnifh ngifh fihng ifhng fhing hfing ihfng hifng finhg ifnhg fnihg nfihg infhg nifhg fhnig hfnig fnhig nfhig hnfig nhfig ihnfg hinfg inhfg nihfg hnifg nhifg fghni gfhni fhgni hfgni ghfni hgfni fgnhi gfnhi fnghi nfghi gnfhi ngfhi fhngi hfngi fnhgi nfhgi hnfgi nhfgi ghnfi hgnfi gnhfi nghfi hngfi nhgfi ighnf gihnf ihgnf hignf ghinf hginf ignhf ginhf inghf nighf gnihf ngihf ihngf hingf inhgf nihgf hnigf nhigf ghnif hgnif gnhif nghif hngif nhgif
Note: these 'words' (valid or invalid) are all the permutations of the word fighn. These words are obtained by scrambling the letters in fighn.