Center letter: f
Outer letter: a b e i l n
Answers (47):
  ineffable
  infallible
  affable
  alfalfa
  baffle
  bailiff
  beef
  befall
  befallen
  befell
  belief
  biff
  elfin
  enfeeble
  fable
  fail
  falafel
  fall
  fallen
  fallible
  feeble
  feel
  feline
  fell
  fella
  fennel
  fief
  fife
  file
  filial
  fill
  fillable
  final
  finale
  fine
  finial
  flab
  flail
  flan
  flannel
  flea
  flee
  infill
  leaf
  life
  lifeline
  naif