The Answers for Wordscapes Level 100513 from the Pebble 60 pack and Master group are: accept, ace, act, ape, ate, cap, cape, cat, eat, pace, pact, pate, pea, peat, pet, tape, 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.