wilty iwlty wlity lwity ilwty liwty witly iwtly wtily twily itwly tiwly wltiy lwtiy wtliy twliy ltwiy tlwiy iltwy litwy itlwy tilwy ltiwy tliwy wilyt iwlyt wliyt lwiyt ilwyt liwyt wiylt iwylt wyilt ywilt iywlt yiwlt wlyit lwyit wylit ywlit lywit ylwit ilywt liywt iylwt yilwt lyiwt yliwt wityl iwtyl wtiyl twiyl itwyl tiwyl wiytl iwytl wyitl ywitl iywtl yiwtl wtyil twyil wytil ywtil tywil ytwil itywl tiywl iytwl yitwl tyiwl ytiwl wltyi lwtyi wtlyi twlyi ltwyi tlwyi wlyti lwyti wylti ywlti lywti ylwti wtyli twyli wytli ywtli tywli ytwli ltywi tlywi lytwi yltwi tylwi ytlwi iltyw lityw itlyw tilyw ltiyw tliyw ilytw liytw iyltw yiltw lyitw ylitw itylw tiylw iytlw yitlw tyilw ytilw ltyiw tlyiw lytiw yltiw tyliw ytliw
Note: these 'words' (valid or invalid) are all the permutations of the word wilty. These words are obtained by scrambling the letters in wilty.