flors lfors folrs oflrs lofrs olfrs flros lfros frlos rflos lrfos rlfos forls ofrls frols rfols orfls rofls lorfs olrfs lrofs rlofs orlfs rolfs flosr lfosr folsr oflsr lofsr olfsr flsor lfsor fslor sflor lsfor slfor foslr ofslr fsolr sfolr osflr soflr losfr olsfr lsofr slofr oslfr solfr flrso lfrso frlso rflso lrfso rlfso flsro lfsro fslro sflro lsfro slfro frslo rfslo fsrlo sfrlo rsflo srflo lrsfo rlsfo lsrfo slrfo rslfo srlfo forsl ofrsl frosl rfosl orfsl rofsl fosrl ofsrl fsorl sforl osfrl sofrl frsol rfsol fsrol sfrol rsfol srfol orsfl rosfl osrfl sorfl rsofl srofl lorsf olrsf lrosf rlosf orlsf rolsf losrf olsrf lsorf slorf oslrf solrf lrsof rlsof lsrof slrof rslof srlof orslf roslf osrlf sorlf rsolf srolf
Note: these 'words' (valid or invalid) are all the permutations of the word flors. These words are obtained by scrambling the letters in flors.