yakow aykow ykaow kyaow akyow kayow yaokw ayokw yoakw oyakw aoykw oaykw ykoaw kyoaw yokaw oykaw koyaw okyaw akoyw kaoyw aokyw oakyw koayw okayw yakwo aykwo ykawo kyawo akywo kaywo yawko aywko ywako wyako awyko wayko ykwao kywao ywkao wykao kwyao wkyao akwyo kawyo awkyo wakyo kwayo wkayo yaowk ayowk yoawk oyawk aoywk oaywk yawok aywok ywaok wyaok awyok wayok yowak oywak ywoak wyoak owyak woyak aowyk oawyk awoyk waoyk owayk woayk ykowa kyowa yokwa oykwa koywa okywa ykwoa kywoa ywkoa wykoa kwyoa wkyoa yowka oywka ywoka wyoka owyka woyka kowya okwya kwoya wkoya owkya wokya akowy kaowy aokwy oakwy koawy okawy akwoy kawoy awkoy wakoy kwaoy wkaoy aowky oawky awoky waoky owaky woaky koway okway kwoay wkoay owkay wokay
Note: these 'words' (valid or invalid) are all the permutations of the word yakow. These words are obtained by scrambling the letters in yakow.