shuts hsuts suhts ushts husts uhsts shtus hstus sthus tshus htsus thsus suths usths stuhs tsuhs utshs tushs hutss uhtss htuss thuss uthss tuhss shust hsust suhst ushst husst uhsst shsut hssut sshut sshut hssut shsut susht ussht ssuht ssuht ussht susht husst uhsst hsust shust ushst suhst shtsu hstsu sthsu tshsu htssu thssu shstu hsstu sshtu sshtu hsstu shstu stshu tsshu ssthu ssthu tsshu stshu htssu thssu hstsu shtsu tshsu sthsu sutsh ustsh stush tsush utssh tussh susth ussth ssuth ssuth ussth susth stsuh tssuh sstuh sstuh tssuh stsuh utssh tussh ustsh sutsh tsush stush hutss uhtss htuss thuss uthss tuhss husts uhsts hsuts shuts ushts suhts htsus thsus hstus shtus tshus sthus utshs tushs usths suths tsuhs stuhs
Note: these 'words' (valid or invalid) are all the permutations of the word shuts. These words are obtained by scrambling the letters in shuts.