panko apnko pnako npako anpko napko pakno apkno pkano kpano akpno kapno pnkao npkao pknao kpnao nkpao knpao ankpo nakpo aknpo kanpo nkapo knapo panok apnok pnaok npaok anpok napok paonk aponk poank opank aopnk oapnk pnoak npoak ponak opnak nopak onpak anopk naopk aonpk oanpk noapk onapk pakon apkon pkaon kpaon akpon kapon paokn apokn poakn opakn aopkn oapkn pkoan kpoan pokan opkan kopan okpan akopn kaopn aokpn oakpn koapn okapn pnkoa npkoa pknoa kpnoa nkpoa knpoa pnoka npoka ponka opnka nopka onpka pkona kpona pokna opkna kopna okpna nkopa knopa nokpa onkpa konpa oknpa ankop nakop aknop kanop nkaop knaop anokp naokp aonkp oankp noakp onakp akonp kaonp aoknp oaknp koanp okanp nkoap knoap nokap onkap konap oknap
Note: these 'words' (valid or invalid) are all the permutations of the word panko. These words are obtained by scrambling the letters in panko.