Center letter: n
Outer letter: a i l o p v
Answers (42):
  pavilion
  anal
  anion
  annal
  anon
  anvil
  apian
  avian
  lain
  lanai
  lanolin
  lion
  llano
  loan
  loin
  loon
  naan
  nail
  nana
  naval
  nonillion
  noon
  nova
  onion
  opinion
  pain
  panini
  papillon
  piano
  pianola
  pillion
  pinion
  pippin
  plain
  plan
  poplin
  vain
  vanilla
  vanillin
  vanpool
  villain
  violin