Center letter: h
Outer letter: a b c e l y
Answers (27):
  bellyache
  ache
  achy
  beach
  beachy
  beech
  belch
  blah
  bleach
  blech
  cache
  challah
  each
  halal
  hale
  hall
  heal
  healable
  heel
  hell
  leach
  lech
  leech
  lychee
  yeah
  yecch
  yech