Center letter: t
Outer letter: a g h l o u
Answers (46):
  although
  allot
  alto
  atoll
  aught
  auto
  galoot
  gloat
  glottal
  glut
  goat
  goth
  gotta
  gout
  halt
  hath
  hatha
  holt
  hoot
  lath
  loath
  loot
  lotto
  lout
  oath
  ought
  outgo
  outthought
  tall
  tattoo
  taught
  taut
  that
  thou
  though
  thought
  thug
  toga
  toll
  tool
  toot
  tooth
  total
  tough
  tout
  tutu