Center letter: u
Outer letter: c d e k l n
Answers (59):
  clunked
  knuckled
  cellule
  cluck
  clucked
  clue
  clued
  clunk
  cuddle
  cuddled
  cued
  cuke
  cull
  culled
  deduce
  deduced
  delude
  deluded
  denude
  denuded
  deuce
  duck
  ducked
  dude
  duel
  dueled
  duke
  duked
  dull
  dulled
  dunce
  dune
  dunk
  dunked
  dunned
  educe
  educed
  elude
  eluded
  endue
  endued
  knuckle
  kudu
  luck
  lucked
  lull
  lulled
  lulu
  lune
  lunk
  nude
  nuke
  nuked
  null
  ukulele
  unceded
  uncle
  undue
  unneeded