oohls oohls ohols hools ohols hools oolhs oolhs olohs loohs olohs loohs ohlos holos olhos lohos hloos lhoos ohlos holos olhos lohos hloos lhoos oohsl oohsl ohosl hoosl ohosl hoosl ooshl ooshl osohl soohl osohl soohl ohsol hosol oshol sohol hsool shool ohsol hosol oshol sohol hsool shool oolsh oolsh olosh loosh olosh loosh ooslh ooslh osolh soolh osolh soolh olsoh losoh osloh soloh lsooh slooh olsoh losoh osloh soloh lsooh slooh ohlso holso olhso lohso hloso lhoso ohslo hoslo oshlo sohlo hsolo sholo olsho losho oslho solho lsoho sloho hlsoo lhsoo hsloo shloo lshoo slhoo ohlso holso olhso lohso hloso lhoso ohslo hoslo oshlo sohlo hsolo sholo olsho losho oslho solho lsoho sloho hlsoo lhsoo hsloo shloo lshoo slhoo
Note: these 'words' (valid or invalid) are all the permutations of the word oohls. These words are obtained by scrambling the letters in oohls.