hollo ohllo hlolo lholo olhlo lohlo hollo ohllo hlolo lholo olhlo lohlo hlloo lhloo hlloo lhloo llhoo llhoo ollho lolho ollho lolho lloho lloho holol ohlol hlool lhool olhol lohol hooll oholl hooll oholl oohll oohll hlool lhool holol ohlol lohol olhol olohl loohl oolhl oolhl loohl olohl holol ohlol hlool lhool olhol lohol hooll oholl hooll oholl oohll oohll hlool lhool holol ohlol lohol olhol olohl loohl oolhl oolhl loohl olohl hlloo lhloo hlloo lhloo llhoo llhoo hlolo lholo hollo ohllo lohlo olhlo hlolo lholo hollo ohllo lohlo olhlo lloho lloho lolho ollho lolho ollho olloh loloh olloh loloh llooh llooh ololh loolh oollh oollh loolh ololh ololh loolh oollh oollh loolh ololh llooh llooh loloh olloh loloh olloh
Note: these 'words' (valid or invalid) are all the permutations of the word hollo. These words are obtained by scrambling the letters in hollo.