The Answers for Wordscapes Level 106399 from the Green 64 pack and Master group are: art, oar, oat, orator, rat, roar, root, rot, rotator, rotor, tar, tarot, tart, too, toot, tort, tot, and trot.
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.