schca cshca shcca hscca chsca hcsca sccha cscha sccha cscha ccsha ccsha shcca hscca schca cshca hcsca chsca chcsa hccsa cchsa cchsa hccsa chcsa schac cshac shcac hscac chsac hcsac scahc csahc sachc aschc cashc acshc shacc hsacc sahcc ashcc hascc ahscc chasc hcasc cahsc achsc hacsc ahcsc sccah cscah sccah cscah ccsah ccsah scach csach sacch ascch casch acsch scach csach sacch ascch casch acsch ccash ccash cacsh accsh cacsh accsh shcac hscac schac cshac hcsac chsac shacc hsacc sahcc ashcc hascc ahscc scahc csahc sachc aschc cashc acshc hcasc chasc hacsc ahcsc cahsc achsc chcas hccas cchas cchas hccas chcas chacs hcacs cahcs achcs haccs ahccs ccahs ccahs cachs acchs cachs acchs hcacs chacs haccs ahccs cahcs achcs
Note: these 'words' (valid or invalid) are all the permutations of the word schca. These words are obtained by scrambling the letters in schca.