The Answers for Wordscapes Level 12187 from the Dawn 6 pack and Master group are: bib, brush, burbs, bus, bush, his, hub, hubris, rib, rub, rubbish, rush, shrub, sir, and sub.
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.