tilly itlly tlily ltily iltly litly tilly itlly tlily ltily iltly litly tlliy ltliy tlliy ltliy lltiy lltiy illty lilty illty lilty llity llity tilyl itlyl tliyl ltiyl iltyl lityl tiyll ityll tyill ytill iytll yitll tlyil ltyil tylil ytlil lytil yltil ilytl liytl iyltl yiltl lyitl ylitl tilyl itlyl tliyl ltiyl iltyl lityl tiyll ityll tyill ytill iytll yitll tlyil ltyil tylil ytlil lytil yltil ilytl liytl iyltl yiltl lyitl ylitl tllyi ltlyi tllyi ltlyi lltyi lltyi tlyli ltyli tylli ytlli lytli yltli tlyli ltyli tylli ytlli lytli yltli llyti llyti lylti yllti lylti yllti illyt lilyt illyt lilyt lliyt lliyt ilylt liylt iyllt yillt lyilt ylilt ilylt liylt iyllt yillt lyilt ylilt llyit llyit lylit yllit lylit yllit
Note: these 'words' (valid or invalid) are all the permutations of the word tilly. These words are obtained by scrambling the letters in tilly.