Center letter: n
Outer letter: a i l m p t
Answers (60):
  implant
  anal
  anima
  animal
  annal
  anti
  apian
  attain
  inapt
  initial
  lain
  lamina
  laminal
  lanai
  lantana
  liminal
  limn
  lint
  mailman
  main
  maintain
  mammalian
  mania
  manila
  manna
  manta
  militant
  militiaman
  mini
  minim
  minima
  minimal
  mint
  naan
  nail
  nana
  napalm
  natal
  natant
  pain
  paint
  panama
  panini
  pant
  patina
  pinata
  pint
  pintail
  pippin
  plain
  plaint
  plan
  plant
  plantain
  pliant
  taint
  tannin
  timpani
  tint
  titan