Center letter: l
Outer letter: a e h p u v
Answers (55):
  upheaval
  aleph
  allele
  alpha
  appall
  appeal
  appellee
  apple
  halal
  hale
  hall
  halva
  halvah
  halve
  haul
  heal
  heel
  hell
  helluva
  help
  helve
  hula
  hull
  lapel
  lava
  lave
  leap
  leave
  levee
  level
  luau
  lull
  lulu
  paella
  palapa
  pale
  pall
  palp
  papal
  peal
  peel
  plea
  pule
  pull
  pulp
  pupal
  uvula
  uvulae
  vale
  value
  valve
  veal
  vulva
  vulvae
  vulval