Center letter: o
Outer letter: a h i l n t
Answers (55):
  annihilation
  inhalation
  aioli
  allot
  aloha
  alto
  anion
  annatto
  annotation
  anoint
  anon
  atoll
  atonal
  halo
  holt
  hoot
  initiation
  into
  intonation
  iota
  lanolin
  lion
  litho
  llano
  loan
  loath
  loin
  loll
  loon
  loot
  lotion
  lotto
  nation
  national
  nonillion
  noon
  notation
  notational
  notion
  notional
  oath
  olio
  onion
  onto
  talon
  tattoo
  titillation
  toil
  toll
  tonal
  tool
  toon
  toot
  tooth
  total