Center letter: o
Outer letter: c g i l t x
Answers (26):
  toxicologic
  clog
  clot
  cocci
  coil
  colic
  colt
  cool
  coot
  gigolo
  googol
  igloo
  illogic
  loci
  loco
  logic
  logo
  loll
  loot
  lotto
  olio
  toil
  toll
  tool
  toot
  toxic