Center letter: a
Outer letter: b e f i l x
Answers (46):
  fixable
  able
  affable
  affix
  alexia
  alfalfa
  alibi
  allele
  axel
  axial
  axilla
  axillae
  axle
  baba
  babble
  babe
  babel
  baffle
  bail
  bailee
  bailiff
  bale
  ball
  befall
  biaxial
  bilabial
  billable
  blab
  fable
  fail
  falafel
  fall
  fallible
  fella
  filial
  fillable
  flab
  flail
  flax
  flea
  label
  labia
  labial
  labile
  leaf
  liable