Center letter: m
Outer letter: a b l n t u
Answers (33):
  ambulant
  album
  alum
  alumna
  autumn
  autumnal
  balm
  bantam
  blam
  lama
  lamb
  llama
  mall
  malt
  mama
  mamba
  mamma
  mammal
  manna
  manta
  manual
  maul
  mull
  mutant
  mutt
  mutual
  muumuu
  numb
  numbat
  tantalum
  tumult
  umlaut
  unman