esdnl sednl edsnl desnl sdenl dsenl esndl sendl ensdl nesdl snedl nsedl ednsl densl endsl nedsl dnesl ndesl sdnel dsnel sndel nsdel dnsel ndsel esdln sedln edsln desln sdeln dseln esldn seldn elsdn lesdn sledn lsedn edlsn delsn eldsn ledsn dlesn ldesn sdlen dslen slden lsden dlsen ldsen esnld senld ensld nesld sneld nseld eslnd selnd elsnd lesnd slend lsend enlsd nelsd elnsd lensd nlesd lnesd snled nsled slned lsned nlsed lnsed ednls denls endls nedls dnels ndels edlns delns eldns ledns dlens ldens enlds nelds elnds lends nleds lneds dnles ndles dlnes ldnes nldes lndes sdnle dsnle sndle nsdle dnsle ndsle sdlne dslne sldne lsdne dlsne ldsne snlde nslde slnde lsnde nlsde lnsde dnlse ndlse dlnse ldnse nldse lndse
Note: these 'words' (valid or invalid) are all the permutations of the word esdnl. These words are obtained by scrambling the letters in esdnl.