yawey aywey ywaey wyaey awyey wayey yaewy ayewy yeawy eyawy aeywy eaywy yweay wyeay yeway eyway weyay ewyay aweyy waeyy aewyy eawyy weayy ewayy yawye aywye ywaye wyaye awyye wayye yaywe ayywe yyawe yyawe ayywe yaywe ywyae wyyae yywae yywae wyyae ywyae awyye wayye aywye yawye wyaye ywaye yaeyw ayeyw yeayw eyayw aeyyw eayyw yayew ayyew yyaew yyaew ayyew yayew yeyaw eyyaw yyeaw yyeaw eyyaw yeyaw aeyyw eayyw ayeyw yaeyw eyayw yeayw yweya wyeya yewya eywya weyya ewyya ywyea wyyea yywea yywea wyyea ywyea yeywa eyywa yyewa yyewa eyywa yeywa weyya ewyya wyeya yweya eywya yewya aweyy waeyy aewyy eawyy weayy ewayy awyey wayey aywey yawey wyaey ywaey aeywy eaywy ayewy yaewy eyawy yeawy weyay ewyay wyeay yweay eyway yeway
Note: these 'words' (valid or invalid) are all the permutations of the word yawey. These words are obtained by scrambling the letters in yawey.