Center letter: t
Outer letter: c h m n o u
Answers (31):
  cottonmouth
  coconut
  concoct
  coot
  cotton
  count
  couth
  cutout
  hoot
  hunt
  hutch
  month
  moot
  moth
  motto
  mount
  mouth
  mutt
  mutton
  notch
  onto
  thou
  toon
  toot
  tooth
  touch
  tout
  tutu
  uncouth
  uncut
  unto