Center letter: m
Outer letter: a b i l n o
Answers (66):
  bibliomania
  binomial
  abloom
  amino
  ammo
  ammonia
  amnio
  anima
  animal
  balm
  bamboo
  blam
  bloom
  bomb
  boom
  iamb
  iambi
  imam
  lama
  lamb
  lamina
  laminal
  lima
  limb
  limbo
  liminal
  limn
  limo
  llama
  loam
  loom
  mail
  mailman
  maim
  main
  mall
  mama
  mamba
  mambo
  mamma
  mammal
  mammalian
  mammon
  mania
  manila
  manna
  mill
  million
  mini
  minim
  minima
  minimal
  minion
  moan
  moil
  moll
  momma
  mono
  monobob
  monomania
  monomial
  moola
  moon
  nimbi
  nominal
  oilman