crewe rcewe cerwe ecrwe recwe ercwe crwee rcwee cwree wcree rwcee wrcee cewre ecwre cwere wcere ewcre wecre rewce erwce rwece wrece ewrce werce creew rceew cerew ecrew recew ercew creew rceew cerew ecrew recew ercew ceerw ecerw ceerw ecerw eecrw eecrw reecw erecw reecw erecw eercw eercw crwee rcwee cwree wcree rwcee wrcee crewe rcewe cerwe ecrwe recwe ercwe cwere wcere cewre ecwre wecre ewcre rwece wrece rewce erwce werce ewrce cewer ecwer cweer wceer ewcer wecer ceewr ecewr ceewr ecewr eecwr eecwr cweer wceer cewer ecwer wecer ewcer ewecr weecr eewcr eewcr weecr ewecr rewec erwec rweec wreec ewrec werec reewc erewc reewc erewc eerwc eerwc rweec wreec rewec erwec werec ewrec ewerc weerc eewrc eewrc weerc ewerc
Note: these 'words' (valid or invalid) are all the permutations of the word crewe. These words are obtained by scrambling the letters in crewe.