upscu puscu uspcu supcu psucu spucu upcsu pucsu ucpsu cupsu pcusu cpusu uscpu sucpu ucspu cuspu scupu csupu pscuu spcuu pcsuu cpsuu scpuu cspuu upsuc pusuc uspuc supuc psuuc spuuc upusc puusc uupsc uupsc puusc upusc usupc suupc uuspc uuspc suupc usupc psuuc spuuc pusuc upsuc supuc uspuc upcus pucus ucpus cupus pcuus cpuus upucs puucs uupcs uupcs puucs upucs ucups cuups uucps uucps cuups ucups pcuus cpuus pucus upcus cupus ucpus uscup sucup ucsup cusup scuup csuup usucp suucp uuscp uuscp suucp usucp ucusp cuusp uucsp uucsp cuusp ucusp scuup csuup sucup uscup cusup ucsup pscuu spcuu pcsuu cpsuu scpuu cspuu psucu spucu puscu upscu supcu uspcu pcusu cpusu pucsu upcsu cupsu ucpsu scupu csupu sucpu uscpu cuspu ucspu
Note: these 'words' (valid or invalid) are all the permutations of the word upscu. These words are obtained by scrambling the letters in upscu.