Center letter: a
Outer letter: b c e k l o
Answers (60):
  blockable
  cookable
  lockable
  aback
  able
  alack
  allele
  allocable
  aloe
  baba
  babble
  babe
  babel
  babka
  back
  bake
  bale
  balk
  ball
  ballcock
  baobab
  beak
  blab
  black
  blackball
  bleak
  boba
  bola
  bookable
  cabal
  cabala
  cable
  cacao
  cackle
  cake
  call
  calla
  callable
  callaloo
  callback
  clack
  cloaca
  cloak
  coal
  coca
  cocoa
  cola
  collab
  kabob
  kale
  kebab
  koala
  kola
  label
  lace
  lack
  lake
  leak
  local
  locale