naker anker nkaer knaer akner kaner naekr anekr neakr enakr aenkr eankr nkear knear nekar enkar kenar eknar akenr kaenr aeknr eaknr keanr ekanr nakre ankre nkare knare aknre kanre narke anrke nrake rnake arnke ranke nkrae knrae nrkae rnkae krnae rknae akrne karne arkne rakne krane rkane naerk anerk neark enark aenrk eanrk narek anrek nraek rnaek arnek ranek nerak enrak nreak rneak ernak renak aernk earnk arenk raenk erank reank nkera knera nekra enkra kenra eknra nkrea knrea nrkea rnkea krnea rknea nerka enrka nreka rneka ernka renka kerna ekrna krena rkena erkna rekna akern kaern aekrn eakrn kearn ekarn akren karen arken raken kraen rkaen aerkn earkn arekn raekn erakn reakn keran ekran krean rkean erkan rekan
Note: these 'words' (valid or invalid) are all the permutations of the word naker. These words are obtained by scrambling the letters in naker.