Center letter: l
Outer letter: c i o r t v
Answers (32):
  vitriolic
  civil
  clot
  coil
  colic
  color
  colt
  cool
  illicit
  licit
  lilt
  loci
  loco
  loll
  loot
  lotto
  olio
  rill
  roil
  roll
  rototill
  till
  tilt
  toil
  toll
  tool
  tricolor
  trill
  troll
  viol
  vitriol
  volt