Center letter: u
Outer letter: c d e h k n
Answers (42):
  chunked
  unchecked
  chuck
  chucked
  chunk
  cued
  cuke
  deduce
  deduced
  denude
  denuded
  deuce
  duck
  ducked
  dude
  duke
  duked
  dunce
  dune
  dunk
  dunked
  dunned
  educe
  educed
  endue
  endued
  eunuch
  hued
  hunch
  hunched
  hunk
  kudu
  nude
  nuke
  nuked
  nunchuck
  nunchuk
  unceded
  uncheck
  undue
  unheeded
  unneeded