sewens eswens sweens wseens ewsens wesens seewns esewns seewns esewns eeswns eeswns sweens wseens sewens eswens wesens ewsens ewesns weesns eewsns eewsns weesns ewesns sewnes eswnes swenes wsenes ewsnes wesnes senwes esnwes snewes nsewes enswes neswes swnees wsnees snwees nswees wnsees nwsees ewnses wenses enwses newses wneses nweses seenws esenws seenws esenws eesnws eesnws senews esnews sneews nseews ensews nesews senews esnews sneews nseews ensews nesews eensws eensws enesws neesws enesws neesws swenes wsenes sewnes eswnes wesnes ewsnes swnees wsnees snwees nswees wnsees nwsees senwes esnwes snewes nsewes enswes neswes wenses ewnses wneses nweses enwses newses ewenss weenss eewnss eewnss weenss ewenss ewness weness enwess newess wneess nweess eenwss eenwss enewss neewss enewss neewss weness ewness wneess nweess enwess newess sewesn eswesn sweesn wseesn ewsesn wesesn seewsn esewsn seewsn esewsn eeswsn eeswsn sweesn wseesn sewesn eswesn wesesn ewsesn ewessn weessn eewssn eewssn weessn ewessn sewsen eswsen swesen wsesen ewssen wessen seswen esswen ssewen ssewen esswen seswen swseen wsseen ssween ssween wsseen swseen ewssen wessen eswsen sewsen wsesen swesen seeswn eseswn seeswn eseswn eesswn eesswn sesewn essewn sseewn sseewn essewn sesewn sesewn essewn sseewn sseewn essewn sesewn eesswn eesswn eseswn seeswn eseswn seeswn swesen wsesen sewsen eswsen wessen ewssen swseen wsseen ssween ssween wsseen swseen seswen esswen ssewen ssewen esswen seswen wessen ewssen wsesen swesen eswsen sewsen ewessn weessn eewssn eewssn weessn ewessn ewsesn wesesn eswesn sewesn wseesn sweesn eeswsn eeswsn esewsn seewsn esewsn seewsn wesesn ewsesn wseesn sweesn eswesn sewesn sewnse eswnse swense wsense ewsnse wesnse senwse esnwse snewse nsewse enswse neswse swnese wsnese snwese nswese wnsese nwsese ewnsse wensse enwsse newsse wnesse nwesse sewsne eswsne swesne wsesne ewssne wessne seswne esswne ssewne ssewne esswne seswne swsene wssene sswene sswene wssene swsene ewssne wessne eswsne sewsne wsesne swesne senswe esnswe sneswe nseswe ensswe nesswe sesnwe essnwe ssenwe ssenwe essnwe sesnwe snsewe nssewe ssnewe ssnewe nssewe snsewe ensswe nesswe esnswe senswe nseswe sneswe swnsee wsnsee snwsee nswsee wnssee nwssee swsnee wssnee sswnee sswnee wssnee swsnee snswee nsswee ssnwee ssnwee nsswee snswee wnssee nwssee wsnsee swnsee nswsee snwsee ewnsse wensse enwsse newsse wnesse nwesse ewsnse wesnse eswnse sewnse wsense swense enswse neswse esnwse senwse nsewse snewse wnsese nwsese wsnese swnese nswese snwese seensw esensw seensw esensw eesnsw eesnsw senesw esnesw sneesw nseesw ensesw nesesw senesw esnesw sneesw nseesw ensesw nesesw eenssw eenssw enessw neessw enessw neessw seesnw esesnw seesnw esesnw eessnw eessnw sesenw essenw sseenw sseenw essenw sesenw sesenw essenw sseenw sseenw essenw sesenw eessnw eessnw esesnw seesnw esesnw seesnw sensew esnsew snesew nsesew enssew nessew sesnew essnew ssenew ssenew essnew sesnew snseew nsseew ssneew ssneew nsseew snseew enssew nessew esnsew sensew nsesew snesew sensew esnsew snesew nsesew enssew nessew sesnew essnew ssenew ssenew essnew sesnew snseew nsseew ssneew ssneew nsseew snseew enssew nessew esnsew sensew nsesew snesew eenssw eenssw enessw neessw enessw neessw eesnsw eesnsw esensw seensw esensw seensw ensesw nesesw esnesw senesw nseesw sneesw ensesw nesesw esnesw senesw nseesw sneesw swense wsense sewnse eswnse wesnse ewsnse swnese wsnese snwese nswese wnsese nwsese senwse esnwse snewse nsewse enswse neswse wensse ewnsse wnesse nwesse enwsse newsse swesne wsesne sewsne eswsne wessne ewssne swsene wssene sswene sswene wssene swsene seswne esswne ssewne ssewne esswne seswne wessne ewssne wsesne swesne eswsne sewsne swnsee wsnsee snwsee nswsee wnssee nwssee swsnee wssnee sswnee sswnee wssnee swsnee snswee nsswee ssnwee ssnwee nsswee snswee wnssee nwssee wsnsee swnsee nswsee snwsee senswe esnswe sneswe nseswe ensswe nesswe sesnwe essnwe ssenwe ssenwe essnwe sesnwe snsewe nssewe ssnewe ssnewe nssewe snsewe ensswe nesswe esnswe senswe nseswe sneswe wensse ewnsse wnesse nwesse enwsse newsse wesnse ewsnse wsense swense eswnse sewnse wnsese nwsese wsnese swnese nswese snwese enswse neswse esnwse senwse nsewse snewse ewenss weenss eewnss eewnss weenss ewenss ewness weness enwess newess wneess nweess eenwss eenwss enewss neewss enewss neewss weness ewness wneess nweess enwess newess ewesns weesns eewsns eewsns weesns ewesns ewsens wesens eswens sewens wseens sweens eeswns eeswns esewns seewns esewns seewns wesens ewsens wseens sweens eswens sewens ewnses wenses enwses newses wneses nweses ewsnes wesnes eswnes sewnes wsenes swenes enswes neswes esnwes senwes nsewes snewes wnsees nwsees wsnees swnees nswees snwees eensws eensws enesws neesws enesws neesws eesnws eesnws esenws seenws esenws seenws ensews nesews esnews senews nseews sneews ensews nesews esnews senews nseews sneews wenses ewnses wneses nweses enwses newses wesnes ewsnes wsenes swenes eswnes sewnes wnsees nwsees wsnees swnees nswees snwees enswes neswes esnwes senwes nsewes snewes
Note: these 'words' (valid or invalid) are all the permutations of the word sewens. These words are obtained by scrambling the letters in sewens.