neist enist niest inest einst ienst nesit ensit nseit sneit esnit senit niset inset nsiet sniet isnet sinet eisnt iesnt esint seint isent sient neits enits niets inets eints ients netis entis nteis tneis etnis tenis nites intes nties tnies itnes tines eitns ietns etins teins itens tiens nesti ensti nseti sneti esnti senti netsi entsi ntesi tnesi etnsi tensi nstei sntei ntsei tnsei stnei tsnei estni setni etsni tesni steni tseni niste inste nsite snite isnte sinte nitse intse ntise tnise itnse tinse nstie sntie ntsie tnsie stnie tsnie istne sitne itsne tisne stine tsine eistn iestn esitn seitn isetn sietn eitsn ietsn etisn teisn itesn tiesn estin setin etsin tesin stein tsein isten siten itsen tisen stien tsien
Note: these 'words' (valid or invalid) are all the permutations of the word neist. These words are obtained by scrambling the letters in neist.