Center letter: t
Outer letter: g i n o q u
Answers (47):
  quoting
  gout
  gutting
  igniting
  ignition
  ingot
  into
  intoning
  intuit
  intuiting
  intuition
  noting
  notion
  onto
  outgo
  outgoing
  outgun
  outgunning
  outing
  quint
  quit
  quitting
  tinging
  tinning
  tint
  tinting
  togging
  tong
  tonging
  tonguing
  toning
  toon
  toot
  tooting
  toting
  tout
  touting
  tugging
  tuition
  tuning
  tutti
  tutting
  tutu
  unit
  uniting
  unto
  untuning