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