Center letter: g
Outer letter: c f h i l n
Answers (30):
  filching
  flinching
  chilling
  chinning
  cinching
  clinching
  cling
  clinging
  fifing
  filing
  filling
  fining
  fling
  flinging
  gigging
  giggling
  gill
  gilling
  ginning
  high
  hilling
  hinging
  icing
  inching
  inclining
  infilling
  inning
  lining
  niggling
  nigh