Center letter: e
Outer letter: c g h i k n
Answers (34):
  checking
  chickening
  check
  cheek
  chicken
  egging
  eking
  engine
  geek
  geeking
  gene
  genie
  genii
  ghee
  heck
  heinie
  hence
  henge
  hike
  hinge
  innie
  keen
  keening
  knee
  kneeing
  neck
  necking
  neigh
  neighing
  nene
  nice
  niche
  niece
  nine