clash lcash calsh aclsh lacsh alcsh clsah lcsah cslah sclah lscah slcah caslh acslh csalh scalh asclh saclh lasch alsch lsach slach aslch salch clahs lcahs calhs aclhs lachs alchs clhas lchas chlas hclas lhcas hlcas cahls achls chals hcals ahcls hacls lahcs alhcs lhacs hlacs ahlcs halcs clsha lcsha cslha sclha lscha slcha clhsa lchsa chlsa hclsa lhcsa hlcsa cshla schla chsla hcsla shcla hscla lshca slhca lhsca hlsca shlca hslca cashl acshl csahl scahl aschl sachl cahsl achsl chasl hcasl ahcsl hacsl cshal schal chsal hcsal shcal hscal ashcl sahcl ahscl hascl shacl hsacl lashc alshc lsahc slahc aslhc salhc lahsc alhsc lhasc hlasc ahlsc halsc lshac slhac lhsac hlsac shlac hslac ashlc sahlc ahslc haslc shalc hsalc
Note: these 'words' (valid or invalid) are all the permutations of the word clash. These words are obtained by scrambling the letters in clash.