Center letter: r
Outer letter: a f g h t u
Answers (29):
  fraught
  aargh
  afar
  agar
  arhat
  attar
  augur
  aura
  fart
  frag
  frat
  frug
  graft
  gruff
  guar
  guru
  hart
  hurrah
  hurt
  raft
  raga
  ragtag
  ragu
  ratatat
  ruff
  tart
  tartar
  truth
  turf