potoo optoo ptooo tpooo otpoo topoo pooto opoto pooto opoto oopto oopto ptooo tpooo potoo optoo topoo otpoo otopo toopo ootpo ootpo toopo otopo potoo optoo ptooo tpooo otpoo topoo pooto opoto pooto opoto oopto oopto ptooo tpooo potoo optoo topoo otpoo otopo toopo ootpo ootpo toopo otopo pooot opoot pooot opoot oopot oopot pooot opoot pooot opoot oopot oopot pooot opoot pooot opoot oopot oopot ooopt ooopt ooopt ooopt ooopt ooopt ptooo tpooo potoo optoo topoo otpoo ptooo tpooo potoo optoo topoo otpoo pooto opoto pooto opoto oopto oopto toopo otopo toopo otopo ootpo ootpo otoop tooop ootop ootop tooop otoop otoop tooop ootop ootop tooop otoop oootp oootp oootp oootp oootp oootp tooop otoop tooop otoop ootop ootop
Note: these 'words' (valid or invalid) are all the permutations of the word potoo. These words are obtained by scrambling the letters in potoo.