Center letter: r
Outer letter: a g h i l t
Answers (44):
  alright
  arthralgia
  aargh
  agar
  airtight
  altar
  arhat
  aria
  aril
  atria
  atrial
  attagirl
  attar
  girl
  girt
  girth
  grail
  grill
  grit
  hair
  hart
  lair
  lariat
  liar
  lira
  raga
  ragtag
  rail
  raita
  ratatat
  rattail
  rial
  right
  rill
  tart
  tartar
  thrall
  thrill
  tiara
  trail
  trait
  trial
  trig
  trill