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