Center letter: o
Outer letter: a i l r t v
Answers (55):
  violator
  aioli
  allot
  alto
  aorta
  aortal
  atoll
  aviator
  iota
  littoral
  loll
  loot
  lotto
  olio
  oral
  orator
  oratorio
  oval
  ratio
  ravioli
  riot
  roar
  roil
  roll
  root
  rotator
  roti
  rotor
  rototill
  tailor
  taro
  tarot
  tattoo
  toil
  toll
  tool
  toot
  tori
  torii
  toro
  tort
  torta
  tortilla
  total
  traitor
  trattoria
  trio
  troll
  trot
  valor
  viol
  viola
  vitriol
  voila
  volt