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