Center letter: o
Outer letter: c g h i m n
Answers (43):
  mooching
  chignon
  chino
  cocci
  cocoon
  cocooning
  coho
  coin
  coining
  comic
  coming
  common
  conch
  conic
  conning
  cooing
  gnocchi
  going
  gong
  gonging
  goon
  hogging
  homing
  honcho
  honing
  hooch
  icon
  iconic
  incoming
  ionic
  minion
  mochi
  mono
  mooch
  mooing
  moon
  mooning
  noggin
  noncom
  noon
  oncoming
  ongoing
  onion