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