cutup uctup ctuup tcuup utcup tucup cuutp ucutp cuutp ucutp uuctp uuctp ctuup tcuup cutup uctup tucup utcup utucp tuucp uutcp uutcp tuucp utucp cutpu uctpu ctupu tcupu utcpu tucpu cuptu ucptu cputu pcutu upctu puctu ctpuu tcpuu cptuu pctuu tpcuu ptcuu utpcu tupcu uptcu putcu tpucu ptucu cuupt ucupt cuupt ucupt uucpt uucpt cuput ucput cpuut pcuut upcut pucut cuput ucput cpuut pcuut upcut pucut uupct uupct upuct puuct upuct puuct ctupu tcupu cutpu uctpu tucpu utcpu ctpuu tcpuu cptuu pctuu tpcuu ptcuu cuptu ucptu cputu pcutu upctu puctu tupcu utpcu tpucu ptucu uptcu putcu utupc tuupc uutpc uutpc tuupc utupc utpuc tupuc uptuc putuc tpuuc ptuuc uuptc uuptc uputc puutc uputc puutc tupuc utpuc tpuuc ptuuc uptuc putuc
Note: these 'words' (valid or invalid) are all the permutations of the word cutup. These words are obtained by scrambling the letters in cutup.