ceric ecric creic rceic ercic recic ceirc ecirc cierc icerc eicrc iecrc criec rciec cirec icrec ricec ircec ericc reicc eircc iercc riecc irecc cerci ecrci creci rceci ercci recci cecri eccri cceri cceri eccri cecri crcei rccei ccrei ccrei rccei crcei ercci recci ecrci cerci rceci creci ceicr ecicr ciecr icecr eiccr ieccr cecir eccir cceir cceir eccir cecir cicer iccer ccier ccier iccer cicer eiccr ieccr ecicr ceicr icecr ciecr crice rcice circe icrce ricce ircce crcie rccie ccrie ccrie rccie crcie cicre iccre ccire ccire iccre cicre ricce ircce rcice crice icrce circe ericc reicc eircc iercc riecc irecc ercic recic ecric ceric rceic creic eicrc iecrc ecirc ceirc icerc cierc ricec ircec rciec criec icrec cirec
Note: these 'words' (valid or invalid) are all the permutations of the word ceric. These words are obtained by scrambling the letters in ceric.