caboc acboc cbaoc bcaoc abcoc bacoc caobc acobc coabc ocabc aocbc oacbc cboac bcoac cobac ocbac bocac obcac abocc baocc aobcc oabcc boacc obacc cabco acbco cbaco bcaco abcco bacco cacbo accbo ccabo ccabo accbo cacbo cbcao bccao ccbao ccbao bccao cbcao abcco bacco acbco cabco bcaco cbaco caocb acocb coacb ocacb aoccb oaccb cacob accob ccaob ccaob accob cacob cocab occab ccoab ccoab occab cocab aoccb oaccb acocb caocb ocacb coacb cboca bcoca cobca ocbca bocca obcca cbcoa bccoa ccboa ccboa bccoa cbcoa cocba occba ccoba ccoba occba cocba bocca obcca bcoca cboca ocbca cobca abocc baocc aobcc oabcc boacc obacc abcoc bacoc acboc caboc bcaoc cbaoc aocbc oacbc acobc caobc ocabc coabc bocac obcac bcoac cboac ocbac cobac
Note: these 'words' (valid or invalid) are all the permutations of the word caboc. These words are obtained by scrambling the letters in caboc.