Center letter: c
Outer letter: a i m n o p
Answers (50):
  companion
  acacia
  acai
  anionic
  cacao
  caiman
  cami
  camo
  camp
  campo
  cancan
  canna
  cannon
  canon
  canonic
  canopic
  capo
  capon
  ciao
  cinnamon
  cioppino
  coca
  cocci
  cocoa
  cocoon
  coin
  coma
  comic
  comma
  common
  comp
  conic
  coop
  icon
  iconic
  ionic
  maniac
  manic
  mica
  mimic
  minicam
  minicamp
  monomaniac
  niacin
  nincompoop
  noncom
  panic
  pica
  picnic
  poinciana