upted puted utped tuped ptued tpued upetd puetd ueptd euptd peutd eputd utepd tuepd uetpd eutpd teupd etupd pteud tpeud petud eptud tepud etpud uptde putde utpde tupde ptude tpude updte pudte udpte dupte pdute dpute utdpe tudpe udtpe dutpe tdupe dtupe ptdue tpdue pdtue dptue tdpue dtpue upedt puedt uepdt eupdt peudt epudt updet pudet udpet dupet pduet dpuet uedpt eudpt udept duept edupt deupt pedut epdut pdeut dpeut edput deput utedp tuedp uetdp eutdp teudp etudp utdep tudep udtep dutep tduep dtuep uedtp eudtp udetp duetp edutp deutp tedup etdup tdeup dteup edtup detup ptedu tpedu petdu eptdu tepdu etpdu ptdeu tpdeu pdteu dpteu tdpeu dtpeu pedtu epdtu pdetu dpetu edptu deptu tedpu etdpu tdepu dtepu edtpu detpu
Note: these 'words' (valid or invalid) are all the permutations of the word upted. These words are obtained by scrambling the letters in upted.