skean ksean sekan eskan kesan eksan skaen ksaen saken asken kasen aksen seakn esakn saekn asekn easkn aeskn keasn ekasn kaesn akesn eaksn aeksn skena ksena sekna eskna kesna eksna sknea ksnea snkea nskea knsea nksea senka esnka sneka nseka enska neska kensa eknsa knesa nkesa enksa neksa skane ksane sakne askne kasne aksne sknae ksnae snkae nskae knsae nksae sanke asnke snake nsake anske naske kanse aknse knase nkase ankse nakse seank esank saenk asenk easnk aesnk senak esnak sneak nseak ensak nesak sanek asnek snaek nsaek ansek nasek eansk aensk enask neask anesk naesk keans ekans kaens akens eakns aekns kenas eknas kneas nkeas enkas nekas kanes aknes knaes nkaes ankes nakes eanks aenks enaks neaks aneks naeks
Note: these 'words' (valid or invalid) are all the permutations of the word skean. These words are obtained by scrambling the letters in skean.