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