ccert ccert cecrt eccrt cecrt eccrt ccret ccret crcet rccet crcet rccet cerct ecrct crect rcect ercct recct cerct ecrct crect rcect ercct recct ccetr ccetr cectr ecctr cectr ecctr ccter ccter ctcer tccer ctcer tccer cetcr ectcr ctecr tcecr etccr teccr cetcr ectcr ctecr tcecr etccr teccr ccrte ccrte crcte rccte crcte rccte cctre cctre ctcre tccre ctcre tccre crtce rctce ctrce tcrce rtcce trcce crtce rctce ctrce tcrce rtcce trcce certc ecrtc cretc rcetc erctc rectc cetrc ectrc cterc tcerc etcrc tecrc crtec rctec ctrec tcrec rtcec trcec ertcc retcc etrcc tercc rtecc trecc certc ecrtc cretc rcetc erctc rectc cetrc ectrc cterc tcerc etcrc tecrc crtec rctec ctrec tcrec rtcec trcec ertcc retcc etrcc tercc rtecc trecc
Note: these 'words' (valid or invalid) are all the permutations of the word ccert. These words are obtained by scrambling the letters in ccert.