Center letter: h
Outer letter: e g n o t u
Answers (28):
  toughen
  enough
  ghee
  ghetto
  goth
  henge
  hone
  hoot
  huge
  hung
  hunt
  nought
  ought
  outthought
  teeth
  teethe
  tenth
  thee
  then
  thong
  thou
  though
  thought
  thug
  tooth
  tough
  unhung
  unthought