tucpe utcpe tcupe ctupe uctpe cutpe tupce utpce tpuce ptuce uptce putce tcpue ctpue tpcue ptcue cptue pctue ucpte cupte upcte pucte cpute pcute tucep utcep tcuep ctuep uctep cutep tuecp utecp teucp etucp uetcp eutcp tceup cteup tecup etcup cetup ectup ucetp cuetp uectp euctp ceutp ecutp tupec utpec tpuec ptuec uptec putec tuepc utepc teupc etupc uetpc eutpc tpeuc pteuc tepuc etpuc petuc eptuc upetc puetc ueptc euptc peutc eputc tcpeu ctpeu tpceu ptceu cpteu pcteu tcepu ctepu tecpu etcpu cetpu ectpu tpecu ptecu tepcu etpcu petcu eptcu cpetu pcetu ceptu ecptu pectu epctu ucpet cupet upcet pucet cpuet pcuet ucept cuept uecpt eucpt ceupt ecupt upect puect uepct eupct peuct epuct cpeut pceut ceput ecput pecut epcut
Note: these 'words' (valid or invalid) are all the permutations of the word tucpe. These words are obtained by scrambling the letters in tucpe.