ucshc cushc uschc suchc csuhc scuhc uchsc cuhsc uhcsc hucsc chusc hcusc ushcc suhcc uhscc huscc shucc hsucc cshuc schuc chsuc hcsuc shcuc hscuc ucsch cusch uscch succh csuch scuch uccsh cucsh uccsh cucsh ccush ccush uscch succh ucsch cusch scuch csuch cscuh sccuh ccsuh ccsuh sccuh cscuh uchcs cuhcs uhccs huccs chucs hcucs ucchs cuchs ucchs cuchs ccuhs ccuhs uhccs huccs uchcs cuhcs hcucs chucs chcus hccus cchus cchus hccus chcus ushcc suhcc uhscc huscc shucc hsucc uschc suchc ucshc cushc scuhc csuhc uhcsc hucsc uchsc cuhsc hcusc chusc shcuc hscuc schuc cshuc hcsuc chsuc cshcu schcu chscu hcscu shccu hsccu cschu scchu ccshu ccshu scchu cschu chcsu hccsu cchsu cchsu hccsu chcsu shccu hsccu schcu cshcu hcscu chscu
Note: these 'words' (valid or invalid) are all the permutations of the word ucshc. These words are obtained by scrambling the letters in ucshc.