ankus nakus aknus kanus nkaus knaus anuks nauks aunks uanks nuaks unaks akuns kauns aukns uakns kuans ukans nkuas knuas nukas unkas kunas uknas anksu naksu aknsu kansu nkasu knasu ansku nasku asnku sanku nsaku snaku aksnu kasnu asknu saknu ksanu skanu nksau knsau nskau snkau ksnau sknau anusk nausk aunsk uansk nuask unask ansuk nasuk asnuk sanuk nsauk snauk ausnk uasnk asunk saunk usank suank nusak unsak nsuak snuak usnak sunak akusn kausn auksn uaksn kuasn ukasn aksun kasun askun sakun ksaun skaun auskn uaskn asukn saukn usakn suakn kusan uksan ksuan skuan uskan sukan nkusa knusa nuksa unksa kunsa uknsa nksua knsua nskua snkua ksnua sknua nuska unska nsuka snuka usnka sunka kusna uksna ksuna skuna uskna sukna
Note: these 'words' (valid or invalid) are all the permutations of the word ankus. These words are obtained by scrambling the letters in ankus.