Center letter: t
Outer letter: a b i r u y
Answers (37):
  tributary
  abut
  arbitrary
  arty
  atria
  attar
  bait
  barbarity
  batty
  brat
  bratty
  brut
  burrata
  butt
  itty
  rabbit
  raita
  rarity
  ratatat
  ratty
  ribbit
  rutty
  tabby
  tarry
  tart
  tartar
  tatty
  taut
  tiara
  tibia
  trait
  tray
  tuba
  tubby
  tutti
  tutu
  yurt