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