twokn wtokn towkn otwkn wotkn owtkn twkon wtkon tkwon ktwon wkton kwton tokwn otkwn tkown ktown oktwn kotwn woktn owktn wkotn kwotn okwtn kowtn twonk wtonk townk otwnk wotnk owtnk twnok wtnok tnwok ntwok wntok nwtok tonwk otnwk tnowk ntowk ontwk notwk wontk owntk wnotk nwotk onwtk nowtk twkno wtkno tkwno ktwno wktno kwtno twnko wtnko tnwko ntwko wntko nwtko tknwo ktnwo tnkwo ntkwo kntwo nktwo wknto kwnto wnkto nwkto knwto nkwto toknw otknw tkonw ktonw oktnw kotnw tonkw otnkw tnokw ntokw ontkw notkw tknow ktnow tnkow ntkow kntow nktow okntw kontw onktw noktw knotw nkotw woknt owknt wkont kwont okwnt kownt wonkt ownkt wnokt nwokt onwkt nowkt wknot kwnot wnkot nwkot knwot nkwot oknwt konwt onkwt nokwt knowt nkowt
Note: these 'words' (valid or invalid) are all the permutations of the word twokn. These words are obtained by scrambling the letters in twokn.