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