the 6 the bloke next to me thats catching all the fish is using. failing that
hoppers, maybe a greenwells glory, dunkeld (apart from cow green the only still waters I fish are scottish lochs)
on the ol\' river, much easier,
silver blue and teal (or variations of), bloody butcher, pheasant tail nymph if it were wets
adams, klinkhammer, black gnat if it were dries