yrent ryent yernt eyrnt reynt erynt yrnet rynet ynret nyret rnyet nryet yenrt eynrt ynert nyert enyrt neyrt renyt ernyt rneyt nreyt enryt neryt yretn ryetn yertn eyrtn reytn erytn yrten ryten ytren tyren rtyen tryen yetrn eytrn ytern tyern etyrn teyrn retyn ertyn rteyn treyn etryn teryn yrnte rynte ynrte nyrte rnyte nryte yrtne rytne ytrne tyrne rtyne tryne yntre nytre ytnre tynre ntyre tnyre rntye nrtye rtnye trnye ntrye tnrye yentr eyntr ynetr nyetr enytr neytr yetnr eytnr ytenr tyenr etynr teynr ynter nyter ytner tyner ntyer tnyer entyr netyr etnyr tenyr nteyr tneyr renty ernty rnety nrety enrty nerty retny ertny rteny treny etrny terny rntey nrtey rtney trney ntrey tnrey entry netry etnry tenry ntery tnery
Note: these 'words' (valid or invalid) are all the permutations of the word yrent. These words are obtained by scrambling the letters in yrent.