ibocc biocc iobcc oibcc boicc obicc ibcoc bicoc icboc ciboc bcioc cbioc iocbc oicbc icobc ciobc ocibc coibc bocic obcic bcoic cboic ocbic cobic ibocc biocc iobcc oibcc boicc obicc ibcoc bicoc icboc ciboc bcioc cbioc iocbc oicbc icobc ciobc ocibc coibc bocic obcic bcoic cboic ocbic cobic ibcco bicco icbco cibco bcico cbico ibcco bicco icbco cibco bcico cbico iccbo cicbo iccbo cicbo ccibo ccibo bccio cbcio bccio cbcio ccbio ccbio ioccb oiccb icocb ciocb ocicb coicb ioccb oiccb icocb ciocb ocicb coicb iccob cicob iccob cicob cciob cciob occib cocib occib cocib ccoib ccoib bocci obcci bcoci cboci ocbci cobci bocci obcci bcoci cboci ocbci cobci bccoi cbcoi bccoi cbcoi ccboi ccboi occbi cocbi occbi cocbi ccobi ccobi
Note: these 'words' (valid or invalid) are all the permutations of the word ibocc. These words are obtained by scrambling the letters in ibocc.