alecs laecs aelcs ealcs leacs elacs alces laces acles cales lcaes claes aecls eacls acels caels ecals ceals lecas elcas lceas cleas eclas celas alesc laesc aelsc ealsc leasc elasc alsec lasec aslec salec lsaec slaec aeslc easlc aselc saelc esalc sealc lesac elsac lseac sleac eslac selac alcse lacse aclse calse lcase clase alsce lasce aslce salce lsace slace acsle casle ascle sacle csale scale lcsae clsae lscae slcae cslae sclae aecsl eacsl acesl caesl ecasl ceasl aescl eascl asecl saecl esacl seacl acsel casel ascel sacel csael scael ecsal cesal escal secal cseal sceal lecsa elcsa lcesa clesa eclsa celsa lesca elsca lseca sleca eslca selca lcsea clsea lscea slcea cslea sclea ecsla cesla escla secla csela scela
Note: these 'words' (valid or invalid) are all the permutations of the word alecs. These words are obtained by scrambling the letters in alecs.