scath csath sacth ascth casth acsth sctah cstah stcah tscah ctsah tcsah satch astch stach tsach atsch tasch catsh actsh ctash tcash atcsh tacsh scaht csaht sacht ascht casht acsht schat cshat shcat hscat chsat hcsat sahct ashct shact hsact ahsct hasct cahst achst chast hcast ahcst hacst sctha cstha stcha tscha ctsha tcsha schta cshta shcta hscta chsta hcsta sthca tshca shtca hstca thsca htsca cthsa tchsa chtsa hctsa thcsa htcsa sathc asthc stahc tsahc atshc tashc sahtc ashtc shatc hsatc ahstc hastc sthac tshac shtac hstac thsac htsac athsc tahsc ahtsc hatsc thasc htasc caths acths ctahs tcahs atchs tachs cahts achts chats hcats ahcts hacts cthas tchas chtas hctas thcas htcas athcs tahcs ahtcs hatcs thacs htacs
Note: these 'words' (valid or invalid) are all the permutations of the word scath. These words are obtained by scrambling the letters in scath.