tlccu ltccu tclcu ctlcu lctcu cltcu tlccu ltccu tclcu ctlcu lctcu cltcu tcclu ctclu tcclu ctclu cctlu cctlu lcctu clctu lcctu clctu ccltu ccltu tlcuc ltcuc tcluc ctluc lctuc cltuc tlucc ltucc tulcc utlcc lutcc ultcc tculc ctulc tuclc utclc cutlc uctlc lcutc clutc luctc ulctc cultc ucltc tlcuc ltcuc tcluc ctluc lctuc cltuc tlucc ltucc tulcc utlcc lutcc ultcc tculc ctulc tuclc utclc cutlc uctlc lcutc clutc luctc ulctc cultc ucltc tccul ctcul tccul ctcul cctul cctul tcucl ctucl tuccl utccl cutcl uctcl tcucl ctucl tuccl utccl cutcl uctcl ccutl ccutl cuctl ucctl cuctl ucctl lccut clcut lccut clcut cclut cclut lcuct cluct lucct ulcct culct uclct lcuct cluct lucct ulcct culct uclct ccult ccult cuclt ucclt cuclt ucclt
Note: these 'words' (valid or invalid) are all the permutations of the word tlccu. These words are obtained by scrambling the letters in tlccu.