Center letter: p
Outer letter: a b e h l t
Answers (61):
  alphabet
  aleph
  alpha
  appall
  appeal
  appealable
  appellate
  appellee
  apple
  applet
  beep
  bleep
  epee
  heap
  heeltap
  help
  helpable
  heptathlete
  lapel
  leap
  leapt
  paella
  palapa
  palatable
  palatal
  palate
  pale
  palette
  pall
  pallet
  palp
  palpable
  palpate
  papa
  papal
  pate
  patella
  patellae
  path
  peal
  peat
  pebble
  peel
  peelable
  peep
  pellet
  pelt
  petal
  phat
  plat
  plate
  platelet
  plea
  pleat
  pleb
  plebe
  tapa
  tape
  teepee
  telepath
  tepee