Center letter: e
Outer letter: a c j k l p
Answers (39):
  applejack
  allele
  apace
  appeal
  appellee
  apple
  cackle
  cake
  cape
  cell
  epee
  jake
  jape
  jeep
  jell
  kale
  keel
  keep
  kelp
  lace
  lake
  lapel
  leak
  leap
  leek
  pace
  paella
  palace
  pale
  peace
  peak
  peal
  peck
  peek
  peel
  peep
  peke
  place
  plea