crock rcock corck ocrck rocck orcck crcok rccok ccrok ccrok rccok crcok cocrk occrk ccork ccork occrk cocrk rocck orcck rcock crock ocrck corck crokc rcokc corkc ocrkc rockc orckc crkoc rckoc ckroc kcroc rkcoc krcoc cokrc ockrc ckorc kcorc okcrc kocrc rokcc orkcc rkocc krocc okrcc korcc crcko rccko ccrko ccrko rccko crcko crkco rckco ckrco kcrco rkcco krcco cckro cckro ckcro kccro ckcro kccro rckco crkco rkcco krcco ckrco kcrco cockr occkr ccokr ccokr occkr cockr cokcr ockcr ckocr kcocr okccr koccr cckor cckor ckcor kccor ckcor kccor ockcr cokcr okccr koccr ckocr kcocr rockc orckc rcokc crokc ocrkc corkc rokcc orkcc rkocc krocc okrcc korcc rckoc crkoc rkcoc krcoc ckroc kcroc ockrc cokrc okcrc kocrc ckorc kcorc
Note: these 'words' (valid or invalid) are all the permutations of the word crock. These words are obtained by scrambling the letters in crock.