viers ivers veirs evirs ievrs eivrs vires ivres vries rvies irves rives veris evris vreis rveis ervis revis iervs eirvs irevs rievs erivs reivs viesr ivesr veisr evisr ievsr eivsr viser ivser vsier svier isver siver vesir evsir vseir sveir esvir sevir iesvr eisvr isevr sievr esivr seivr virse ivrse vrise rvise irvse rivse visre ivsre vsire svire isvre sivre vrsie rvsie vsrie svrie rsvie srvie irsve risve isrve sirve rsive srive versi evrsi vresi rvesi ervsi revsi vesri evsri vseri sveri esvri sevri vrsei rvsei vsrei svrei rsvei srvei ersvi resvi esrvi servi rsevi srevi iersv eirsv iresv riesv erisv reisv iesrv eisrv iserv sierv esirv seirv irsev risev isrev sirev rsiev sriev ersiv resiv esriv seriv rseiv sreiv
Note: these 'words' (valid or invalid) are all the permutations of the word viers. These words are obtained by scrambling the letters in viers.