Center letter: o
Outer letter: g h i l n w
Answers (52):
  hollowing
  howling
  gigolo
  glow
  glowing
  goggling
  going
  gong
  gonging
  googling
  googol
  goon
  gown
  gowning
  hogging
  holing
  hollow
  honing
  howl
  igloo
  lingo
  lion
  logging
  login
  logo
  loin
  loll
  lolling
  long
  longing
  loon
  lowing
  noggin
  nohow
  nonillion
  noon
  ogling
  oiling
  olio
  ongoing
  onion
  oolong
  owing
  owning
  willow
  winnow
  winnowing
  wino
  woohoo
  wooing
  wool
  wowing