conne ocnne cnone ncone oncne nocne conne ocnne cnone ncone oncne nocne cnnoe ncnoe cnnoe ncnoe nncoe nncoe onnce nonce onnce nonce nnoce nnoce conen ocnen cnoen ncoen oncen nocen coenn ocenn ceonn econn oecnn eocnn cneon nceon cenon ecnon necon encon onecn noecn oencn eoncn neocn enocn conen ocnen cnoen ncoen oncen nocen coenn ocenn ceonn econn oecnn eocnn cneon nceon cenon ecnon necon encon onecn noecn oencn eoncn neocn enocn cnneo ncneo cnneo ncneo nnceo nnceo cneno nceno cenno ecnno necno encno cneno nceno cenno ecnno necno encno nneco nneco nenco ennco nenco ennco onnec nonec onnec nonec nnoec nnoec onenc noenc oennc eonnc neonc enonc onenc noenc oennc eonnc neonc enonc nneoc nneoc nenoc ennoc nenoc ennoc
Note: these 'words' (valid or invalid) are all the permutations of the word conne. These words are obtained by scrambling the letters in conne.