vesrr evsrr vserr sverr esvrr sevrr versr evrsr vresr rvesr ervsr revsr vsrer svrer vrser rvser srver rsver esrvr servr ersvr resvr srevr rsevr vesrr evsrr vserr sverr esvrr sevrr versr evrsr vresr rvesr ervsr revsr vsrer svrer vrser rvser srver rsver esrvr servr ersvr resvr srevr rsevr verrs evrrs vrers rvers ervrs revrs verrs evrrs vrers rvers ervrs revrs vrres rvres vrres rvres rrves rrves errvs rervs errvs rervs rrevs rrevs vsrre svrre vrsre rvsre srvre rsvre vsrre svrre vrsre rvsre srvre rsvre vrrse rvrse vrrse rvrse rrvse rrvse srrve rsrve srrve rsrve rrsve rrsve esrrv serrv ersrv resrv srerv rserv esrrv serrv ersrv resrv srerv rserv errsv rersv errsv rersv rresv rresv srrev rsrev srrev rsrev rrsev rrsev
Note: these 'words' (valid or invalid) are all the permutations of the word vesrr. These words are obtained by scrambling the letters in vesrr.