terry etrry trery rtery ertry retry terry etrry trery rtery ertry retry trrey rtrey trrey rtrey rrtey rrtey errty rerty errty rerty rrety rrety teryr etryr treyr rteyr ertyr retyr teyrr etyrr tyerr yterr eytrr yetrr tryer rtyer tyrer ytrer ryter yrter erytr reytr eyrtr yertr ryetr yretr teryr etryr treyr rteyr ertyr retyr teyrr etyrr tyerr yterr eytrr yetrr tryer rtyer tyrer ytrer ryter yrter erytr reytr eyrtr yertr ryetr yretr trrye rtrye trrye rtrye rrtye rrtye tryre rtyre tyrre ytrre rytre yrtre tryre rtyre tyrre ytrre rytre yrtre rryte rryte ryrte yrrte ryrte yrrte erryt reryt erryt reryt rreyt rreyt eryrt reyrt eyrrt yerrt ryert yrert eryrt reyrt eyrrt yerrt ryert yrert rryet rryet ryret yrret ryret yrret
Note: these 'words' (valid or invalid) are all the permutations of the word terry. These words are obtained by scrambling the letters in terry.