Center letter: b
Outer letter: a c i k l t
Answers (37):
  backlit
  clickbait
  tailback
  abaci
  aback
  alibi
  baba
  babka
  bacilli
  back
  backbit
  backtalk
  bail
  bait
  balalaika
  balk
  ball
  batik
  biblical
  bilabial
  bilk
  bill
  blab
  black
  blackball
  blat
  cabal
  cabala
  callback
  ciabatta
  kickback
  kickball
  labia
  labial
  tabla
  tibia
  tibial