floor lfoor folor oflor lofor olfor floor lfoor folor oflor lofor olfor foolr ofolr foolr ofolr ooflr ooflr loofr olofr loofr olofr oolfr oolfr floro lforo folro oflro lofro olfro flroo lfroo frloo rfloo lrfoo rlfoo forlo ofrlo frolo rfolo orflo roflo lorfo olrfo lrofo rlofo orlfo rolfo floro lforo folro oflro lofro olfro flroo lfroo frloo rfloo lrfoo rlfoo forlo ofrlo frolo rfolo orflo roflo lorfo olrfo lrofo rlofo orlfo rolfo foorl oforl foorl oforl oofrl oofrl forol ofrol frool rfool orfol rofol forol ofrol frool rfool orfol rofol oorfl oorfl orofl roofl orofl roofl loorf olorf loorf olorf oolrf oolrf lorof olrof lroof rloof orlof rolof lorof olrof lroof rloof orlof rolof oorlf oorlf orolf roolf orolf roolf
Note: these 'words' (valid or invalid) are all the permutations of the word floor. These words are obtained by scrambling the letters in floor.