Center letter: f
Outer letter: b d e l o u
Answers (50):
  befouled
  beef
  beefed
  befell
  befoul
  befuddle
  befuddled
  bluff
  bluffed
  boffo
  buff
  buffed
  doff
  doffed
  doleful
  duff
  duffel
  duffle
  feeble
  feed
  feel
  fell
  felled
  feud
  feuded
  fled
  flee
  floe
  flood
  flooded
  flub
  flubbed
  flue
  fluff
  fluffed
  fobbed
  fold
  folded
  food
  fool
  fooled
  foul
  fouled
  fuddle
  fuddled
  fuel
  fueled
  full
  luff
  offed