nmels mnels nemls enmls menls emnls nmles mnles nlmes lnmes mlnes lmnes nelms enlms nlems lnems elnms lenms melns emlns mlens lmens elmns lemns nmesl mnesl nemsl enmsl mensl emnsl nmsel mnsel nsmel snmel msnel smnel nesml ensml nseml sneml esnml senml mesnl emsnl msenl smenl esmnl semnl nmlse mnlse nlmse lnmse mlnse lmnse nmsle mnsle nsmle snmle msnle smnle nlsme lnsme nslme snlme lsnme slnme mlsne lmsne mslne smlne lsmne slmne nelsm enlsm nlesm lnesm elnsm lensm neslm enslm nselm snelm esnlm senlm nlsem lnsem nslem snlem lsnem slnem elsnm lesnm eslnm selnm lsenm slenm melsn emlsn mlesn lmesn elmsn lemsn mesln emsln mseln smeln esmln semln mlsen lmsen mslen smlen lsmen slmen elsmn lesmn eslmn selmn lsemn slemn
Note: these 'words' (valid or invalid) are all the permutations of the word nmels. These words are obtained by scrambling the letters in nmels.