hings ihngs hnigs nhigs inhgs nihgs higns ihgns hgins ghins ighns gihns hngis nhgis hgnis ghnis nghis gnhis inghs nighs ignhs ginhs ngihs gnihs hinsg ihnsg hnisg nhisg inhsg nihsg hisng ihsng hsing shing ishng sihng hnsig nhsig hsnig shnig nshig snhig inshg nishg isnhg sinhg nsihg snihg higsn ihgsn hgisn ghisn ighsn gihsn hisgn ihsgn hsign shign ishgn sihgn hgsin ghsin hsgin shgin gshin sghin igshn gishn isghn sighn gsihn sgihn hngsi nhgsi hgnsi ghnsi nghsi gnhsi hnsgi nhsgi hsngi shngi nshgi snhgi hgsni ghsni hsgni shgni gshni sghni ngshi gnshi nsghi snghi gsnhi sgnhi ingsh nigsh ignsh ginsh ngish gnish insgh nisgh isngh singh nsigh snigh igsnh gisnh isgnh signh gsinh sginh ngsih gnsih nsgih sngih gsnih sgnih
Note: these 'words' (valid or invalid) are all the permutations of the word hings. These words are obtained by scrambling the letters in hings.