Center letter: n
Outer letter: a b d h i l
Answers (28):
  handbill
  anal
  annal
  banal
  banana
  band
  bandana
  bandanna
  bind
  bindi
  bland
  blin
  blind
  blini
  hand
  handball
  hind
  inlaid
  inland
  lain
  lanai
  land
  libidinal
  naan
  nada
  naiad
  nail
  nana