enooc neooc eonoc oenoc noeoc oneoc enooc neooc eonoc oenoc noeoc oneoc eoonc oeonc eoonc oeonc ooenc ooenc nooec onoec nooec onoec oonec oonec enoco neoco eonco oenco noeco oneco encoo necoo ecnoo cenoo nceoo cneoo eocno oecno econo ceono oceno coeno noceo onceo ncoeo cnoeo ocneo coneo enoco neoco eonco oenco noeco oneco encoo necoo ecnoo cenoo nceoo cneoo eocno oecno econo ceono oceno coeno noceo onceo ncoeo cnoeo ocneo coneo eoocn oeocn eoocn oeocn ooecn ooecn eocon oecon ecoon ceoon oceon coeon eocon oecon ecoon ceoon oceon coeon oocen oocen ocoen cooen ocoen cooen nooce onoce nooce onoce oonce oonce nocoe oncoe ncooe cnooe ocnoe conoe nocoe oncoe ncooe cnooe ocnoe conoe oocne oocne ocone coone ocone coone
Note: these 'words' (valid or invalid) are all the permutations of the word enooc. These words are obtained by scrambling the letters in enooc.