knars nkars kanrs aknrs nakrs ankrs knras nkras krnas rknas nrkas rnkas karns akrns krans rkans arkns rakns narks anrks nraks rnaks arnks ranks knasr nkasr kansr aknsr naksr anksr knsar nksar ksnar sknar nskar snkar kasnr aksnr ksanr skanr asknr saknr naskr anskr nsakr snakr asnkr sankr knrsa nkrsa krnsa rknsa nrksa rnksa knsra nksra ksnra sknra nskra snkra krsna rksna ksrna skrna rskna srkna nrska rnska nsrka snrka rsnka srnka karsn akrsn krasn rkasn arksn raksn kasrn aksrn ksarn skarn askrn sakrn krsan rksan ksran skran rskan srkan arskn raskn asrkn sarkn rsakn srakn narsk anrsk nrask rnask arnsk ransk nasrk ansrk nsark snark asnrk sanrk nrsak rnsak nsrak snrak rsnak srnak arsnk rasnk asrnk sarnk rsank srank
Note: these 'words' (valid or invalid) are all the permutations of the word knars. These words are obtained by scrambling the letters in knars.