wheys hweys wehys ewhys hewys ehwys whyes hwyes wyhes ywhes hywes yhwes weyhs ewyhs wyehs ywehs eywhs yewhs heyws ehyws hyews yhews eyhws yehws whesy hwesy wehsy ewhsy hewsy ehwsy whsey hwsey wshey swhey hswey shwey weshy ewshy wsehy swehy eswhy sewhy heswy ehswy hsewy shewy eshwy sehwy whyse hwyse wyhse ywhse hywse yhwse whsye hwsye wshye swhye hswye shwye wyshe ywshe wsyhe swyhe yswhe sywhe hyswe yhswe hsywe shywe yshwe syhwe weysh ewysh wyesh ywesh eywsh yewsh wesyh ewsyh wseyh sweyh eswyh sewyh wyseh ywseh wsyeh swyeh ysweh syweh eyswh yeswh esywh seywh ysewh syewh heysw ehysw hyesw yhesw eyhsw yehsw hesyw ehsyw hseyw sheyw eshyw sehyw hysew yhsew hsyew shyew yshew syhew eyshw yeshw esyhw seyhw ysehw syehw
Note: these 'words' (valid or invalid) are all the permutations of the word wheys. These words are obtained by scrambling the letters in wheys.