Center letter: p
Outer letter: a i l m o t
Answers (51):
  optimal
  appall
  atop
  impala
  lamp
  laptop
  limp
  lipo
  lipoma
  lollipop
  lollop
  loop
  opal
  optima
  pail
  palapa
  palatal
  palatial
  pall
  palm
  palp
  pampa
  papa
  papal
  papilla
  papilloma
  patio
  pill
  pilot
  pimp
  pipit
  pita
  pitapat
  plait
  plat
  plop
  plot
  polio
  poll
  polo
  pomp
  pompom
  pool
  poop
  poppa
  potato
  taillamp
  tamp
  tapa
  tilapia
  tiptop