vells evlls vlels lvels elvls levls vells evlls vlels lvels elvls levls vlles lvles vlles lvles llves llves ellvs lelvs ellvs lelvs llevs llevs velsl evlsl vlesl lvesl elvsl levsl vesll evsll vsell svell esvll sevll vlsel lvsel vslel svlel lsvel slvel elsvl lesvl eslvl selvl lsevl slevl velsl evlsl vlesl lvesl elvsl levsl vesll evsll vsell svell esvll sevll vlsel lvsel vslel svlel lsvel slvel elsvl lesvl eslvl selvl lsevl slevl vllse lvlse vllse lvlse llvse llvse vlsle lvsle vslle svlle lsvle slvle vlsle lvsle vslle svlle lsvle slvle llsve llsve lslve sllve lslve sllve ellsv lelsv ellsv lelsv llesv llesv elslv leslv esllv sellv lselv slelv elslv leslv esllv sellv lselv slelv llsev llsev lslev sllev lslev sllev
Note: these 'words' (valid or invalid) are all the permutations of the word vells. These words are obtained by scrambling the letters in vells.