atween taween awteen wateen twaeen wtaeen atewen taewen aetwen eatwen teawen etawen aweten waeten aewten eawten weaten ewaten tweaen wteaen tewaen etwaen wetaen ewtaen atween taween awteen wateen twaeen wtaeen atewen taewen aetwen eatwen teawen etawen aweten waeten aewten eawten weaten ewaten tweaen wteaen tewaen etwaen wetaen ewtaen ateewn taeewn aetewn eatewn teaewn etaewn ateewn taeewn aetewn eatewn teaewn etaewn aeetwn eaetwn aeetwn eaetwn eeatwn eeatwn teeawn eteawn teeawn eteawn eetawn eetawn aweetn waeetn aewetn eawetn weaetn ewaetn aweetn waeetn aewetn eawetn weaetn ewaetn aeewtn eaewtn aeewtn eaewtn eeawtn eeawtn weeatn eweatn weeatn eweatn eewatn eewatn tweean wteean tewean etwean wetean ewtean tweean wteean tewean etwean wetean ewtean teewan etewan teewan etewan eetwan eetwan weetan ewetan weetan ewetan eewtan eewtan atwene tawene awtene watene twaene wtaene atewne taewne aetwne eatwne teawne etawne awetne waetne aewtne eawtne weatne ewatne tweane wteane tewane etwane wetane ewtane atwnee tawnee awtnee watnee twanee wtanee atnwee tanwee antwee natwee tnawee ntawee awntee wantee anwtee nawtee wnatee nwatee twnaee wtnaee tnwaee ntwaee wntaee nwtaee atenwe taenwe aetnwe eatnwe teanwe etanwe atnewe tanewe antewe natewe tnaewe ntaewe aentwe eantwe anetwe naetwe enatwe neatwe tenawe etnawe tneawe nteawe entawe netawe awente waente aewnte eawnte weante ewante awnete wanete anwete nawete wnaete nwaete aenwte eanwte anewte naewte enawte neawte wenate ewnate wneate nweate enwate newate twenae wtenae tewnae etwnae wetnae ewtnae twneae wtneae tnweae ntweae wnteae nwteae tenwae etnwae tnewae ntewae entwae netwae wentae ewntae wnetae nwetae enwtae newtae atwene tawene awtene watene twaene wtaene atewne taewne aetwne eatwne teawne etawne awetne waetne aewtne eawtne weatne ewatne tweane wteane tewane etwane wetane ewtane atwnee tawnee awtnee watnee twanee wtanee atnwee tanwee antwee natwee tnawee ntawee awntee wantee anwtee nawtee wnatee nwatee twnaee wtnaee tnwaee ntwaee wntaee nwtaee atenwe taenwe aetnwe eatnwe teanwe etanwe atnewe tanewe antewe natewe tnaewe ntaewe aentwe eantwe anetwe naetwe enatwe neatwe tenawe etnawe tneawe nteawe entawe netawe awente waente aewnte eawnte weante ewante awnete wanete anwete nawete wnaete nwaete aenwte eanwte anewte naewte enawte neawte wenate ewnate wneate nweate enwate newate twenae wtenae tewnae etwnae wetnae ewtnae twneae wtneae tnweae ntweae wnteae nwteae tenwae etnwae tnewae ntewae entwae netwae wentae ewntae wnetae nwetae enwtae newtae ateenw taeenw aetenw eatenw teaenw etaenw ateenw taeenw aetenw eatenw teaenw etaenw aeetnw eaetnw aeetnw eaetnw eeatnw eeatnw teeanw eteanw teeanw eteanw eetanw eetanw atenew taenew aetnew eatnew teanew etanew atneew taneew anteew nateew tnaeew ntaeew aentew eantew anetew naetew enatew neatew tenaew etnaew tneaew nteaew entaew netaew atenew taenew aetnew eatnew teanew etanew atneew taneew anteew nateew tnaeew ntaeew aentew eantew anetew naetew enatew neatew tenaew etnaew tneaew nteaew entaew netaew aeentw eaentw aeentw eaentw eeantw eeantw aenetw eanetw aneetw naeetw enaetw neaetw aenetw eanetw aneetw naeetw enaetw neaetw eenatw eenatw eneatw neeatw eneatw neeatw teenaw etenaw teenaw etenaw eetnaw eetnaw teneaw etneaw tneeaw nteeaw enteaw neteaw teneaw etneaw tneeaw nteeaw enteaw neteaw eentaw eentaw enetaw neetaw enetaw neetaw aweent waeent aewent eawent weaent ewaent aweent waeent aewent eawent weaent ewaent aeewnt eaewnt aeewnt eaewnt eeawnt eeawnt weeant eweant weeant eweant eewant eewant awenet waenet aewnet eawnet weanet ewanet awneet waneet anweet naweet wnaeet nwaeet aenwet eanwet anewet naewet enawet neawet wenaet ewnaet wneaet nweaet enwaet newaet awenet waenet aewnet eawnet weanet ewanet awneet waneet anweet naweet wnaeet nwaeet aenwet eanwet anewet naewet enawet neawet wenaet ewnaet wneaet nweaet enwaet newaet aeenwt eaenwt aeenwt eaenwt eeanwt eeanwt aenewt eanewt aneewt naeewt enaewt neaewt aenewt eanewt aneewt naeewt enaewt neaewt eenawt eenawt eneawt neeawt eneawt neeawt weenat ewenat weenat ewenat eewnat eewnat weneat ewneat wneeat nweeat enweat neweat weneat ewneat wneeat nweeat enweat neweat eenwat eenwat enewat neewat enewat neewat tweena wteena tewena etwena wetena ewtena tweena wteena tewena etwena wetena ewtena teewna etewna teewna etewna eetwna eetwna weetna ewetna weetna ewetna eewtna eewtna twenea wtenea tewnea etwnea wetnea ewtnea twneea wtneea tnweea ntweea wnteea nwteea tenwea etnwea tnewea ntewea entwea netwea wentea ewntea wnetea nwetea enwtea newtea twenea wtenea tewnea etwnea wetnea ewtnea twneea wtneea tnweea ntweea wnteea nwteea tenwea etnwea tnewea ntewea entwea netwea wentea ewntea wnetea nwetea enwtea newtea teenwa etenwa teenwa etenwa eetnwa eetnwa tenewa etnewa tneewa nteewa entewa netewa tenewa etnewa tneewa nteewa entewa netewa eentwa eentwa enetwa neetwa enetwa neetwa weenta ewenta weenta ewenta eewnta eewnta weneta ewneta wneeta nweeta enweta neweta weneta ewneta wneeta nweeta enweta neweta eenwta eenwta enewta neewta enewta neewta
Note: these 'words' (valid or invalid) are all the permutations of the word atween. These words are obtained by scrambling the letters in atween.