cooey ocoey cooey ocoey oocey oocey coeoy oceoy ceooy ecooy oecoy eocoy coeoy oceoy ceooy ecooy oecoy eocoy ooecy ooecy oeocy eoocy oeocy eoocy cooye ocoye cooye ocoye oocye oocye coyoe ocyoe cyooe ycooe oycoe yocoe coyoe ocyoe cyooe ycooe oycoe yocoe ooyce ooyce oyoce yooce oyoce yooce coeyo oceyo ceoyo ecoyo oecyo eocyo coyeo ocyeo cyoeo ycoeo oyceo yoceo ceyoo ecyoo cyeoo yceoo eycoo yecoo oeyco eoyco oyeco yoeco eyoco yeoco coeyo oceyo ceoyo ecoyo oecyo eocyo coyeo ocyeo cyoeo ycoeo oyceo yoceo ceyoo ecyoo cyeoo yceoo eycoo yecoo oeyco eoyco oyeco yoeco eyoco yeoco ooeyc ooeyc oeoyc eooyc oeoyc eooyc ooyec ooyec oyoec yooec oyoec yooec oeyoc eoyoc oyeoc yoeoc eyooc yeooc oeyoc eoyoc oyeoc yoeoc eyooc yeooc
Note: these 'words' (valid or invalid) are all the permutations of the word cooey. These words are obtained by scrambling the letters in cooey.