ehing heing eihng iehng hieng iheng ehnig henig enhig nehig hneig nheig einhg ienhg enihg neihg inehg niehg hineg ihneg hnieg nhieg inheg niheg ehign heign eihgn iehgn hiegn ihegn ehgin hegin eghin gehin hgein ghein eighn ieghn egihn geihn igehn giehn higen ihgen hgien ghien ighen gihen ehngi hengi enhgi nehgi hnegi nhegi ehgni hegni eghni gehni hgeni gheni enghi neghi egnhi genhi ngehi gnehi hngei nhgei hgnei ghnei nghei gnhei eingh iengh enigh neigh inegh niegh eignh iegnh eginh geinh igenh gienh engih negih egnih genih ngeih gneih ingeh nigeh igneh gineh ngieh gnieh hinge ihnge hnige nhige inhge nihge higne ihgne hgine ghine ighne gihne hngie nhgie hgnie ghnie nghie gnhie inghe nighe ignhe ginhe ngihe gnihe
Note: these 'words' (valid or invalid) are all the permutations of the word ehing. These words are obtained by scrambling the letters in ehing.