thewy htewy tehwy ethwy hetwy ehtwy thwey htwey twhey wthey hwtey whtey tewhy etwhy twehy wtehy ewthy wethy hewty ehwty hwety whety ewhty wehty theyw hteyw tehyw ethyw hetyw ehtyw thyew htyew tyhew ythew hytew yhtew teyhw etyhw tyehw ytehw eythw yethw heytw ehytw hyetw yhetw eyhtw yehtw thwye htwye twhye wthye hwtye whtye thywe htywe tyhwe ythwe hytwe yhtwe twyhe wtyhe tywhe ytwhe wythe ywthe hwyte whyte hywte yhwte wyhte ywhte tewyh etwyh tweyh wteyh ewtyh wetyh teywh etywh tyewh ytewh eytwh yetwh twyeh wtyeh tyweh ytweh wyteh ywteh ewyth weyth eywth yewth wyeth yweth hewyt ehwyt hweyt wheyt ewhyt wehyt heywt ehywt hyewt yhewt eyhwt yehwt hwyet whyet hywet yhwet wyhet ywhet ewyht weyht eywht yewht wyeht yweht
Note: these 'words' (valid or invalid) are all the permutations of the word thewy. These words are obtained by scrambling the letters in thewy.