Center letter: r
Outer letter: a b g l u y
Answers (41):
  arguably
  burglary
  agar
  array
  arugula
  augur
  augury
  aura
  aural
  aurally
  barb
  blur
  blurb
  blurry
  brag
  braggy
  bray
  bulgur
  burb
  burg
  burglar
  burl
  burly
  burr
  bury
  garb
  grab
  grabby
  gray
  grub
  grubby
  guar
  guru
  raga
  ragbag
  ragu
  rally
  ruby
  rugby
  rural
  rurally