Center letter: i
Outer letter: a c d e h p
Answers (46):
  headpiece
  acacia
  acai
  acid
  acidic
  aide
  aided
  aphid
  apiece
  caddie
  caddied
  chai
  cheapie
  chia
  chic
  chica
  chichi
  chide
  chided
  chip
  chipped
  cicada
  decide
  decided
  deice
  deiced
  deicide
  dice
  diced
  died
  dipped
  eddied
  epic
  hide
  hied
  hippie
  iced
  idea
  ipecac
  paid
  pica
  piece
  pieced
  pied
  pipe
  piped