The Answers for Wordscapes Level 30209 from the Dune 8 pack and Master group are: duh, duo, holdout, hood, hoot, hot, hut, loot, lot, loud, lout, old, ooh, out, outdo, thou, thud, told, too, and tool.
Just a heads-up: the puzzle layout on Master levels is autogenerated, so the grid you see here might look a little different than the one in your game.