nempt enmpt nmept mnept emnpt menpt nepmt enpmt npemt pnemt epnmt penmt nmpet mnpet npmet pnmet mpnet pmnet empnt mepnt epmnt pemnt mpent pment nemtp enmtp nmetp mnetp emntp mentp netmp entmp ntemp tnemp etnmp tenmp nmtep mntep ntmep tnmep mtnep tmnep emtnp metnp etmnp temnp mtenp tmenp neptm enptm npetm pnetm epntm pentm netpm entpm ntepm tnepm etnpm tenpm nptem pntem ntpem tnpem ptnem tpnem eptnm petnm etpnm tepnm ptenm tpenm nmpte mnpte npmte pnmte mpnte pmnte nmtpe mntpe ntmpe tnmpe mtnpe tmnpe nptme pntme ntpme tnpme ptnme tpnme mptne pmtne mtpne tmpne ptmne tpmne emptn meptn epmtn pemtn mpetn pmetn emtpn metpn etmpn tempn mtepn tmepn eptmn petmn etpmn tepmn ptemn tpemn mpten pmten mtpen tmpen ptmen tpmen
Note: these 'words' (valid or invalid) are all the permutations of the word nempt. These words are obtained by scrambling the letters in nempt.