Center letter: o
Outer letter: e f g i l n
Answers (65):
  lifelong
  eggnog
  felon
  floe
  flog
  flogging
  fogging
  foil
  foiling
  folio
  fool
  fooling
  gigolo
  goggle
  goggling
  going
  golf
  golfing
  gone
  gong
  gonging
  goof
  goofing
  google
  googling
  googol
  goon
  igloo
  info
  legion
  leonine
  lingo
  lion
  loge
  logging
  login
  logo
  loin
  loll
  lolling
  lone
  long
  longing
  loon
  loonie
  neon
  noel
  noggin
  none
  nonillion
  noogie
  noon
  offing
  offline
  ogee
  ogle
  ogling
  oiling
  oleo
  olio
  ollie
  ongoing
  onion
  online
  oolong