Center letter: h
Outer letter: i p r a c g
Answers (23):
  graphic
  aargh
  arch
  archaic
  chai
  chair
  chap
  char
  chia
  chic
  chica
  chichi
  chip
  chirp
  graph
  hair
  harp
  high
  highchair
  paragraph
  parch
  pariah
  rich