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