Center letter: n
Outer letter: a b e i l v
Answers (59):
  enviable
  alien
  alienable
  anal
  annal
  anneal
  anvil
  avian
  baleen
  banal
  banana
  bane
  bean
  beanball
  beanie
  beeline
  been
  biennia
  biennial
  blin
  blini
  elan
  eleven
  enable
  enliven
  even
  inalienable
  inane
  innie
  lain
  lanai
  lane
  lean
  leaven
  lien
  line
  lineal
  linen
  liven
  naan
  nail
  naive
  nana
  naval
  nave
  navel
  nene
  nibble
  nine
  vain
  vane
  vanilla
  vanillin
  vein
  venal
  venial
  villain
  villanelle
  vine