Center letter: u
Outer letter: a d e h l n
Answers (53):
  unhandled
  unhealed
  allude
  alluded
  annual
  annul
  annulled
  delude
  deluded
  denude
  denuded
  dual
  dude
  duel
  dueled
  dull
  dulled
  dune
  dunned
  elude
  eluded
  endue
  endued
  haul
  hauled
  huddle
  huddled
  hued
  hula
  hull
  hulled
  laud
  lauded
  luau
  lull
  lulled
  lulu
  luna
  lune
  lunula
  lunulae
  nude
  null
  ulna
  ulnae
  undead
  undue
  unhand
  unhanded
  unheeded
  unladen
  unleaded
  unneeded