vaebt avebt veabt evabt aevbt eavbt vabet avbet vbaet bvaet abvet bavet vebat evbat vbeat bveat ebvat bevat aebvt eabvt abevt baevt ebavt beavt vaetb avetb veatb evatb aevtb eavtb vateb avteb vtaeb tvaeb atveb taveb vetab evtab vteab tveab etvab tevab aetvb eatvb atevb taevb etavb teavb vabte avbte vbate bvate abvte bavte vatbe avtbe vtabe tvabe atvbe tavbe vbtae bvtae vtbae tvbae btvae tbvae abtve batve atbve tabve btave tbave vebta evbta vbeta bveta ebvta bevta vetba evtba vteba tveba etvba tevba vbtea bvtea vtbea tvbea btvea tbvea ebtva betva etbva tebva bteva tbeva aebtv eabtv abetv baetv ebatv beatv aetbv eatbv atebv taebv etabv teabv abtev batev atbev tabev btaev tbaev ebtav betav etbav tebav bteav tbeav
Note: these 'words' (valid or invalid) are all the permutations of the word vaebt. These words are obtained by scrambling the letters in vaebt.