lusts ulsts lsuts sluts uslts sults lutss ultss ltuss tluss utlss tulss lstus sltus ltsus tlsus stlus tslus ustls sutls utsls tusls stuls tsuls lusst ulsst lsust slust uslst sulst lusst ulsst lsust slust uslst sulst lssut slsut lssut slsut sslut sslut usslt suslt usslt suslt ssult ssult lutss ultss ltuss tluss utlss tulss lusts ulsts lsuts sluts uslts sults ltsus tlsus lstus sltus tslus stlus utsls tusls ustls sutls tsuls stuls lstsu sltsu ltssu tlssu stlsu tslsu lsstu slstu lsstu slstu ssltu ssltu ltssu tlssu lstsu sltsu tslsu stlsu stslu tsslu sstlu sstlu tsslu stslu ustsl sutsl utssl tussl stusl tsusl usstl sustl usstl sustl ssutl ssutl utssl tussl ustsl sutsl tsusl stusl stsul tssul sstul sstul tssul stsul
Note: these 'words' (valid or invalid) are all the permutations of the word lusts. These words are obtained by scrambling the letters in lusts.