cleve lceve celve eclve lecve elcve clvee lcvee cvlee vclee lvcee vlcee cevle ecvle cvele vcele evcle vecle levce elvce lvece vlece evlce velce cleev lceev celev eclev lecev elcev cleev lceev celev eclev lecev elcev ceelv ecelv ceelv ecelv eeclv eeclv leecv elecv leecv elecv eelcv eelcv clvee lcvee cvlee vclee lvcee vlcee cleve lceve celve eclve lecve elcve cvele vcele cevle ecvle vecle evcle lvece vlece levce elvce velce evlce cevel ecvel cveel vceel evcel vecel ceevl ecevl ceevl ecevl eecvl eecvl cveel vceel cevel ecvel vecel evcel evecl veecl eevcl eevcl veecl evecl levec elvec lveec vleec evlec velec leevc elevc leevc elevc eelvc eelvc lveec vleec levec elvec velec evlec evelc veelc eevlc eevlc veelc evelc
Note: these 'words' (valid or invalid) are all the permutations of the word cleve. These words are obtained by scrambling the letters in cleve.