nockg onckg ncokg cnokg ocnkg conkg nokcg onkcg nkocg knocg okncg koncg nckog cnkog nkcog kncog cknog kcnog ockng cokng okcng kocng ckong kcong nocgk oncgk ncogk cnogk ocngk congk nogck ongck ngock gnock ognck gonck ncgok cngok ngcok gncok cgnok gcnok ocgnk cognk ogcnk gocnk cgonk gconk nokgc onkgc nkogc knogc okngc kongc nogkc ongkc ngokc gnokc ognkc gonkc nkgoc kngoc ngkoc gnkoc kgnoc gknoc okgnc kognc ogknc goknc kgonc gkonc nckgo cnkgo nkcgo kncgo ckngo kcngo ncgko cngko ngcko gncko cgnko gcnko nkgco kngco ngkco gnkco kgnco gknco ckgno kcgno cgkno gckno kgcno gkcno ockgn cokgn okcgn kocgn ckogn kcogn ocgkn cogkn ogckn gockn cgokn gcokn okgcn kogcn ogkcn gokcn kgocn gkocn ckgon kcgon cgkon gckon kgcon gkcon
Note: these 'words' (valid or invalid) are all the permutations of the word nockg. These words are obtained by scrambling the letters in nockg.