wills iwlls wlils lwils ilwls liwls wills iwlls wlils lwils ilwls liwls wllis lwlis wllis lwlis llwis llwis illws lilws illws lilws lliws lliws wilsl iwlsl wlisl lwisl ilwsl liwsl wisll iwsll wsill swill iswll siwll wlsil lwsil wslil swlil lswil slwil ilswl liswl islwl silwl lsiwl sliwl wilsl iwlsl wlisl lwisl ilwsl liwsl wisll iwsll wsill swill iswll siwll wlsil lwsil wslil swlil lswil slwil ilswl liswl islwl silwl lsiwl sliwl wllsi lwlsi wllsi lwlsi llwsi llwsi wlsli lwsli wslli swlli lswli slwli wlsli lwsli wslli swlli lswli slwli llswi llswi lslwi sllwi lslwi sllwi illsw lilsw illsw lilsw llisw llisw ilslw lislw isllw sillw lsilw slilw ilslw lislw isllw sillw lsilw slilw llsiw llsiw lsliw slliw lsliw slliw
Note: these 'words' (valid or invalid) are all the permutations of the word wills. These words are obtained by scrambling the letters in wills.