yadir aydir ydair dyair adyir dayir yaidr ayidr yiadr iyadr aiydr iaydr ydiar dyiar yidar iydar diyar idyar adiyr daiyr aidyr iadyr diayr idayr yadri aydri ydari dyari adyri dayri yardi ayrdi yradi ryadi arydi raydi ydrai dyrai yrdai rydai dryai rdyai adryi daryi ardyi radyi drayi rdayi yaird ayird yiard iyard aiyrd iayrd yarid ayrid yraid ryaid aryid rayid yirad iyrad yriad ryiad iryad riyad airyd iaryd ariyd raiyd irayd riayd ydira dyira yidra iydra diyra idyra ydria dyria yrdia rydia dryia rdyia yirda iyrda yrida ryida iryda riyda dirya idrya driya rdiya irdya ridya adiry dairy aidry iadry diary idary adriy dariy ardiy radiy draiy rdaiy airdy iardy aridy raidy irady riady diray idray driay rdiay irday riday
Note: these 'words' (valid or invalid) are all the permutations of the word yadir. These words are obtained by scrambling the letters in yadir.