Center letter: g
Outer letter: i l o r v y
Answers (28):
  virology
  giggly
  gigolo
  gill
  girl
  girly
  glory
  goggly
  golly
  googly
  googol
  gory
  grill
  grog
  groggily
  groggy
  groovy
  gyro
  igloo
  logo
  logroll
  logy
  orgy
  rigor
  vigil
  vigor
  vlog
  yogi