The Answers for Wordscapes Level 35413 from the Pebble 20 pack and Master group are: ire, mime, mire, miser, rem, rim, rise, semi, sew, sim, simmer, sir, sire, swim, swimmer, wire, wise, and wiser.
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.