resty ersty rsety srety esrty serty retsy ertsy rtesy tresy etrsy tersy rstey srtey rtsey trsey strey tsrey estry setry etsry tesry stery tsery resyt ersyt rseyt sreyt esryt seryt reyst eryst ryest yrest eyrst yerst rsyet sryet ryset yrset syret ysret esyrt seyrt eysrt yesrt syert ysert retys ertys rteys treys etrys terys reyts eryts ryets yrets eyrts yerts rtyes tryes rytes yrtes tyres ytres etyrs teyrs eytrs yetrs tyers yters rstye srtye rtsye trsye strye tsrye rsyte sryte ryste yrste syrte ysrte rtyse tryse rytse yrtse tyrse ytrse styre tsyre sytre ystre tysre ytsre estyr setyr etsyr tesyr steyr tseyr esytr seytr eystr yestr syetr ysetr etysr teysr eytsr yetsr tyesr ytesr styer tsyer syter yster tyser ytser
Note: these 'words' (valid or invalid) are all the permutations of the word resty. These words are obtained by scrambling the letters in resty.