Center letter: t
Outer letter: a d h n r y
Answers (31):
  hydrant
  arhat
  arrant
  arty
  attar
  dart
  data
  drat
  hardhat
  hart
  hath
  hatha
  natant
  natty
  rant
  ratatat
  rattan
  ratty
  tantara
  tantra
  tardy
  tarry
  tart
  tartan
  tartar
  tatty
  than
  that
  tray
  tyranny
  tyrant