Center letter: n
Outer letter: a b e i l p
Answers (64):
  biplane
  plebeian
  alien
  alienable
  alpine
  anal
  annal
  anneal
  apian
  apnea
  baleen
  banal
  banana
  bane
  bean
  beanball
  beanie
  beeline
  been
  biennia
  biennial
  blin
  blini
  elan
  enable
  inalienable
  inane
  innie
  lain
  lanai
  lane
  lean
  lien
  line
  lineal
  linen
  naan
  nail
  nana
  nape
  neap
  nene
  nibble
  nine
  ninepin
  nipple
  paean
  pain
  pane
  panel
  panini
  peen
  penal
  penile
  penne
  pinball
  pine
  pineapple
  pipeline
  pippin
  plain
  plan
  plane
  plena