Center letter: a
Outer letter: c d h i n p
Answers (35):
  handicap
  acacia
  acai
  acid
  acidic
  aphid
  apian
  cancan
  candid
  canid
  canna
  chad
  chai
  chain
  chap
  chia
  chica
  china
  cicada
  dacha
  hand
  indica
  indicia
  naan
  nada
  naiad
  nana
  niacin
  paid
  pain
  panda
  panic
  panini
  papa
  pica