feign efign fiegn ifegn eifgn iefgn fegin efgin fgein gfein egfin gefin figen ifgen fgien gfien igfen gifen eigfn iegfn egifn geifn igefn giefn feing efing fieng ifeng eifng iefng fenig efnig fneig nfeig enfig nefig fineg ifneg fnieg nfieg infeg nifeg einfg ienfg enifg neifg inefg niefg fegni efgni fgeni gfeni egfni gefni fengi efngi fnegi nfegi enfgi nefgi fgnei gfnei fngei nfgei gnfei ngfei egnfi genfi engfi negfi gnefi ngefi figne ifgne fgine gfine igfne gifne finge ifnge fnige nfige infge nifge fgnie gfnie fngie nfgie gnfie ngfie ignfe ginfe ingfe nigfe gnife ngife eignf iegnf eginf geinf igenf gienf eingf iengf enigf neigf inegf niegf egnif genif engif negif gneif ngeif ignef ginef ingef nigef gnief ngief
Note: these 'words' (valid or invalid) are all the permutations of the word feign. These words are obtained by scrambling the letters in feign.