The Answers for Wordscapes Level 19904 from the Sand 9 pack and Master group are: ace, act, ale, alt, ate, cat, cattle, cleat, eat, lace, lactate, lat, latte, let, tact, talc, and tea.
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.