shush hsush suhsh ushsh hussh uhssh shsuh hssuh sshuh sshuh hssuh shsuh sushh usshh ssuhh ssuhh usshh sushh hussh uhssh hsush shush ushsh suhsh shuhs hsuhs suhhs ushhs hushs uhshs shhus hshus shhus hshus hhsus hhsus suhhs ushhs shuhs hsuhs uhshs hushs huhss uhhss hhuss hhuss uhhss huhss shshu hsshu sshhu sshhu hsshu shshu shhsu hshsu shhsu hshsu hhssu hhssu sshhu sshhu shshu hsshu shshu hsshu hshsu shhsu hhssu hhssu shhsu hshsu sushh usshh ssuhh ssuhh usshh sushh suhsh ushsh shush hsush uhssh hussh sshuh sshuh shsuh hssuh shsuh hssuh ushsh suhsh uhssh hussh shush hsush hushs uhshs hsuhs shuhs ushhs suhhs huhss uhhss hhuss hhuss uhhss huhss hshus shhus hhsus hhsus shhus hshus ushhs suhhs uhshs hushs shuhs hsuhs
Note: these 'words' (valid or invalid) are all the permutations of the word shush. These words are obtained by scrambling the letters in shush.