Center letter: u
Outer letter: g i n o q t
Answers (32):
  quoting
  gouging
  gout
  gunning
  gutting
  intuit
  intuiting
  intuition
  nonunion
  noun
  outgo
  outgoing
  outgun
  outgunning
  outing
  quint
  quit
  quitting
  tonguing
  tout
  touting
  tugging
  tuition
  tuning
  tutti
  tutting
  tutu
  union
  unit
  uniting
  unto
  untuning