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