cabob acbob cbaob bcaob abcob bacob caobb acobb coabb ocabb aocbb oacbb cboab bcoab cobab ocbab bocab obcab abocb baocb aobcb oabcb boacb obacb cabbo acbbo cbabo bcabo abcbo bacbo cabbo acbbo cbabo bcabo abcbo bacbo cbbao bcbao cbbao bcbao bbcao bbcao abbco babco abbco babco bbaco bbaco caobb acobb coabb ocabb aocbb oacbb cabob acbob cbaob bcaob abcob bacob cobab ocbab cboab bcoab obcab bocab aobcb oabcb abocb baocb obacb boacb cboba bcoba cobba ocbba bocba obcba cbboa bcboa cbboa bcboa bbcoa bbcoa cobba ocbba cboba bcoba obcba bocba bobca obbca bboca bboca obbca bobca abobc baobc aobbc oabbc boabc obabc abboc baboc abboc baboc bbaoc bbaoc aobbc oabbc abobc baobc obabc boabc bobac obbac bboac bboac obbac bobac
Note: these 'words' (valid or invalid) are all the permutations of the word cabob. These words are obtained by scrambling the letters in cabob.