Center letter: d
Outer letter: a g i m n t
Answers (37):
  admitting
  intimidating
  mandating
  adamant
  adding
  adman
  admin
  admit
  aiding
  amid
  damaging
  damming
  dammit
  damn
  damning
  dang
  data
  dating
  digging
  digit
  dimming
  ding
  dinging
  dining
  dint
  gadding
  indignant
  madam
  madman
  maid
  midi
  mind
  minding
  nada
  naiad
  tiding
  timid