ohiol hoiol oihol iohol hiool ihool ohoil hooil oohil oohil hooil ohoil oiohl ioohl ooihl ooihl ioohl oiohl hiool ihool hoiol ohiol iohol oihol ohilo hoilo oihlo iohlo hiolo iholo ohlio holio olhio lohio hloio lhoio oilho iolho oliho loiho iloho lioho hiloo ihloo hlioo lhioo ilhoo lihoo oholi hooli oohli oohli hooli oholi ohloi holoi olhoi lohoi hlooi lhooi oolhi oolhi olohi loohi olohi loohi holoi ohloi hlooi lhooi olhoi lohoi oiolh ioolh ooilh ooilh ioolh oiolh oiloh ioloh olioh loioh ilooh liooh oolih oolih oloih looih oloih looih ioloh oiloh ilooh liooh olioh loioh hiolo iholo hoilo ohilo iohlo oihlo hiloo ihloo hlioo lhioo ilhoo lihoo holio ohlio hloio lhoio olhio lohio iolho oilho iloho lioho oliho loiho
Note: these 'words' (valid or invalid) are all the permutations of the word ohiol. These words are obtained by scrambling the letters in ohiol.