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