Center letter: k
Outer letter: a b e l n o
Answers (39):
  anklebone
  ankle
  babka
  bake
  balk
  bank
  bankable
  beak
  blank
  bleak
  bloke
  bonk
  book
  bookable
  kabob
  kale
  kebab
  keel
  keen
  kennel
  keno
  knee
  kneel
  knell
  knob
  knoll
  koala
  koan
  kola
  kook
  lake
  lank
  leak
  leek
  look
  lookbook
  nankeen
  nook
  oaken