twtea wttea ttwea ttwea wttea twtea tweta wteta tewta etwta wetta ewtta ttewa ttewa tetwa ettwa tetwa ettwa wteta tweta wetta ewtta tewta etwta twtae wttae ttwae ttwae wttae twtae twate wtate tawte atwte watte awtte ttawe ttawe tatwe attwe tatwe attwe wtate twate watte awtte tawte atwte tweat wteat tewat etwat wetat ewtat twaet wtaet tawet atwet watet awtet teawt etawt taewt atewt eatwt aetwt weatt ewatt waett awett eawtt aewtt tteaw tteaw tetaw ettaw tetaw ettaw ttaew ttaew tatew attew tatew attew teatw etatw taetw atetw eattw aettw teatw etatw taetw atetw eattw aettw wteat tweat wetat ewtat tewat etwat wtaet twaet watet awtet tawet atwet weatt ewatt waett awett eawtt aewtt teawt etawt taewt atewt eatwt aetwt
Note: these 'words' (valid or invalid) are all the permutations of the word twtea. These words are obtained by scrambling the letters in twtea.