cress rcess cerss ecrss recss ercss crses rcses csres scres rsces srces cesrs ecsrs csers scers escrs secrs rescs erscs rsecs srecs esrcs sercs cress rcess cerss ecrss recss ercss crses rcses csres scres rsces srces cesrs ecsrs csers scers escrs secrs rescs erscs rsecs srecs esrcs sercs crsse rcsse csrse scrse rscse srcse crsse rcsse csrse scrse rscse srcse cssre scsre cssre scsre sscre sscre rssce srsce rssce srsce ssrce ssrce cessr ecssr csesr scesr escsr secsr cessr ecssr csesr scesr escsr secsr csser scser csser scser sscer sscer esscr sescr esscr sescr ssecr ssecr ressc erssc rsesc sresc esrsc sersc ressc erssc rsesc sresc esrsc sersc rssec srsec rssec srsec ssrec ssrec essrc sesrc essrc sesrc sserc sserc
Note: these 'words' (valid or invalid) are all the permutations of the word cress. These words are obtained by scrambling the letters in cress.