nimbs inmbs nmibs mnibs imnbs minbs nibms inbms nbims bnims ibnms binms nmbis mnbis nbmis bnmis mbnis bmnis imbns mibns ibmns bimns mbins bmins nimsb inmsb nmisb mnisb imnsb minsb nismb insmb nsimb snimb isnmb sinmb nmsib mnsib nsmib snmib msnib smnib imsnb misnb ismnb simnb msinb sminb nibsm inbsm nbism bnism ibnsm binsm nisbm insbm nsibm snibm isnbm sinbm nbsim bnsim nsbim snbim bsnim sbnim ibsnm bisnm isbnm sibnm bsinm sbinm nmbsi mnbsi nbmsi bnmsi mbnsi bmnsi nmsbi mnsbi nsmbi snmbi msnbi smnbi nbsmi bnsmi nsbmi snbmi bsnmi sbnmi mbsni bmsni msbni smbni bsmni sbmni imbsn mibsn ibmsn bimsn mbisn bmisn imsbn misbn ismbn simbn msibn smibn ibsmn bismn isbmn sibmn bsimn sbimn mbsin bmsin msbin smbin bsmin sbmin
Note: these 'words' (valid or invalid) are all the permutations of the word nimbs. These words are obtained by scrambling the letters in nimbs.