recco ercco rceco creco ecrco cerco recco ercco rceco creco ecrco cerco rcceo crceo rcceo crceo ccreo ccreo eccro cecro eccro cecro ccero ccero recoc ercoc rceoc creoc ecroc ceroc reocc erocc roecc orecc eorcc oercc rcoec croec rocec orcec corec ocrec ecorc ceorc eocrc oecrc coerc ocerc recoc ercoc rceoc creoc ecroc ceroc reocc erocc roecc orecc eorcc oercc rcoec croec rocec orcec corec ocrec ecorc ceorc eocrc oecrc coerc ocerc rccoe crcoe rccoe crcoe ccroe ccroe rcoce croce rocce orcce corce ocrce rcoce croce rocce orcce corce ocrce ccore ccore cocre occre cocre occre eccor cecor eccor cecor cceor cceor ecocr ceocr eoccr oeccr coecr ocecr ecocr ceocr eoccr oeccr coecr ocecr ccoer ccoer cocer occer cocer occer
Note: these 'words' (valid or invalid) are all the permutations of the word recco. These words are obtained by scrambling the letters in recco.