highs ihghs hgihs ghihs ighhs gihhs hihgs ihhgs hhigs hhigs ihhgs hihgs hghis ghhis hhgis hhgis ghhis hghis ighhs gihhs ihghs highs ghihs hgihs higsh ihgsh hgish ghish ighsh gihsh hisgh ihsgh hsigh shigh ishgh sihgh hgsih ghsih hsgih shgih gshih sghih igshh gishh isghh sighh gsihh sgihh hihsg ihhsg hhisg hhisg ihhsg hihsg hishg ihshg hsihg shihg ishhg sihhg hhsig hhsig hshig shhig hshig shhig ihshg hishg ishhg sihhg hsihg shihg hghsi ghhsi hhgsi hhgsi ghhsi hghsi hgshi ghshi hsghi shghi gshhi sghhi hhsgi hhsgi hshgi shhgi hshgi shhgi ghshi hgshi gshhi sghhi hsghi shghi ighsh gihsh ihgsh higsh ghish hgish igshh gishh isghh sighh gsihh sgihh ihsgh hisgh ishgh sihgh hsigh shigh ghsih hgsih gshih sghih hsgih shgih
Note: these 'words' (valid or invalid) are all the permutations of the word highs. These words are obtained by scrambling the letters in highs.