Center letter: h
Outer letter: e g i m n t
Answers (50):
  nighttime
  theming
  eight
  eighteen
  eighteenth
  eighth
  eightieth
  ghee
  height
  heighten
  heightening
  heinie
  heme
  hemming
  henge
  high
  hinge
  hinging
  hint
  hinting
  hitmen
  hitting
  meth
  might
  neigh
  neighing
  nigh
  night
  nightie
  nineteenth
  ninetieth
  ninth
  teeth
  teethe
  teething
  tenth
  thee
  them
  theme
  then
  thigh
  thin
  thine
  thing
  thinning
  tight
  tighten
  tightening
  tithe
  tithing