Center letter: d
Outer letter: a g i n r w
Answers (59):
  awarding
  drawing
  warding
  adding
  aiding
  arid
  award
  dang
  daring
  darn
  darning
  dawn
  dawning
  digging
  dinar
  ding
  dinging
  dining
  drag
  dragging
  drain
  draining
  draw
  drawn
  gadding
  gird
  girding
  grad
  grading
  grand
  grandad
  granddad
  grid
  grind
  grinding
  indrawn
  inward
  nada
  nadir
  naiad
  radar
  radian
  radii
  raid
  raiding
  rand
  ridding
  ridging
  riding
  rigid
  rind
  wadding
  wading
  wand
  ward
  wind
  winding
  windward
  wingding