tlcup ltcup tclup ctlup lctup cltup tlucp ltucp tulcp utlcp lutcp ultcp tculp ctulp tuclp utclp cutlp uctlp lcutp clutp luctp ulctp cultp ucltp tlcpu ltcpu tclpu ctlpu lctpu cltpu tlpcu ltpcu tplcu ptlcu lptcu pltcu tcplu ctplu tpclu ptclu cptlu pctlu lcptu clptu lpctu plctu cpltu pcltu tlupc ltupc tulpc utlpc lutpc ultpc tlpuc ltpuc tpluc ptluc lptuc pltuc tuplc utplc tpulc ptulc uptlc putlc luptc ulptc lputc plutc upltc pultc tcupl ctupl tucpl utcpl cutpl uctpl tcpul ctpul tpcul ptcul cptul pctul tupcl utpcl tpucl ptucl uptcl putcl cuptl ucptl cputl pcutl upctl puctl lcupt clupt lucpt ulcpt culpt uclpt lcput clput lpcut plcut cplut pclut lupct ulpct lpuct pluct uplct pulct cuplt ucplt cpult pcult upclt puclt
Note: these 'words' (valid or invalid) are all the permutations of the word tlcup. These words are obtained by scrambling the letters in tlcup.