Center letter: b
Outer letter: a d h i l n
Answers (26):
  handbill
  alibi
  baba
  bail
  bald
  ball
  ballad
  banal
  banana
  band
  bandana
  bandanna
  bilabial
  bill
  bind
  bindi
  blab
  blah
  bland
  blin
  blind
  blini
  handball
  labia
  labial
  libidinal