herye ehrye hreye rheye erhye rehye heyre ehyre hyere yhere eyhre yehre hryee rhyee hyree yhree ryhee yrhee eryhe reyhe eyrhe yerhe ryehe yrehe herey ehrey hreey rheey erhey rehey heery ehery heery ehery eehry eehry hreey rheey herey ehrey rehey erhey erehy reehy eerhy eerhy reehy erehy heyer ehyer hyeer yheer eyher yeher heeyr eheyr heeyr eheyr eehyr eehyr hyeer yheer heyer ehyer yeher eyher eyehr yeehr eeyhr eeyhr yeehr eyehr hryee rhyee hyree yhree ryhee yrhee hreye rheye herye ehrye rehye erhye hyere yhere heyre ehyre yehre eyhre ryehe yrehe reyhe eryhe yerhe eyrhe eryeh reyeh eyreh yereh ryeeh yreeh ereyh reeyh eeryh eeryh reeyh ereyh eyerh yeerh eeyrh eeyrh yeerh eyerh ryeeh yreeh reyeh eryeh yereh eyreh
Note: these 'words' (valid or invalid) are all the permutations of the word herye. These words are obtained by scrambling the letters in herye.