Center letter: m
Outer letter: e l n o t u
Answers (54):
  emolument
  element
  emote
  lemon
  loom
  lumen
  meet
  melee
  melon
  melt
  meme
  memento
  memo
  mentee
  menu
  mete
  mettle
  mole
  moll
  molt
  molten
  moment
  momentum
  mono
  monotone
  monte
  monument
  moon
  moot
  mote
  motel
  motet
  mottle
  motto
  moue
  mount
  mule
  mull
  mullet
  mute
  mutt
  mutton
  muumuu
  omelet
  omelette
  omen
  teem
  tenement
  tome
  totem
  tumult
  unmet
  unmount
  unmute