shals hsals sahls ashls hasls ahsls shlas hslas slhas lshas hlsas lhsas salhs aslhs slahs lsahs alshs lashs halss ahlss hlass lhass alhss lahss shasl hsasl sahsl ashsl hassl ahssl shsal hssal sshal sshal hssal shsal sashl asshl ssahl ssahl asshl sashl hassl ahssl hsasl shasl ashsl sahsl shlsa hslsa slhsa lshsa hlssa lhssa shsla hssla sshla sshla hssla shsla slsha lssha sslha sslha lssha slsha hlssa lhssa hslsa shlsa lshsa slhsa salsh aslsh slash lsash alssh lassh saslh asslh ssalh ssalh asslh saslh slsah lssah sslah sslah lssah slsah alssh lassh aslsh salsh lsash slash halss ahlss hlass lhass alhss lahss hasls ahsls hsals shals ashls sahls hlsas lhsas hslas shlas lshas slhas alshs lashs aslhs salhs lsahs slahs
Note: these 'words' (valid or invalid) are all the permutations of the word shals. These words are obtained by scrambling the letters in shals.