Center letter: i
Outer letter: b e l n t u
Answers (60):
  bulletin
  ebullient
  beeline
  belie
  belittle
  beltline
  bible
  bile
  bill
  billet
  bite
  bitten
  blin
  blini
  built
  elite
  ennui
  entitle
  inbuilt
  inlet
  innie
  intel
  intent
  intuit
  inutile
  lenient
  lentil
  libel
  libelee
  lien
  lieu
  lilt
  line
  linen
  linnet
  lint
  lintel
  lite
  little
  nibble
  nine
  nineteen
  nite
  nubbin
  nubile
  tile
  till
  tilt
  tine
  tint
  title
  tittle
  tutti
  unbuilt
  unit
  unite
  unlit
  untie
  until
  utile