gayvl agyvl gyavl ygavl aygvl yagvl gavyl agvyl gvayl vgayl avgyl vagyl gyval ygval gvyal vgyal yvgal vygal ayvgl yavgl avygl vaygl yvagl vyagl gaylv agylv gyalv ygalv ayglv yaglv galyv aglyv glayv lgayv algyv lagyv gylav yglav glyav lgyav ylgav lygav aylgv yalgv alygv laygv ylagv lyagv gavly agvly gvaly vgaly avgly vagly galvy aglvy glavy lgavy algvy lagvy gvlay vglay glvay lgvay vlgay lvgay avlgy valgy alvgy lavgy vlagy lvagy gyvla ygvla gvyla vgyla yvgla vygla gylva yglva glyva lgyva ylgva lygva gvlya vglya glvya lgvya vlgya lvgya yvlga vylga ylvga lyvga vlyga lvyga ayvlg yavlg avylg vaylg yvalg vyalg aylvg yalvg alyvg layvg ylavg lyavg avlyg valyg alvyg lavyg vlayg lvayg yvlag vylag ylvag lyvag vlyag lvyag
Note: these 'words' (valid or invalid) are all the permutations of the word gayvl. These words are obtained by scrambling the letters in gayvl.