Center letter: n
Outer letter: a i l p t u
Answers (57):
  lilliputian
  nuptial
  anal
  annal
  annual
  annul
  annuli
  anti
  apian
  attain
  aunt
  inapt
  initial
  input
  intuit
  lain
  lanai
  lantana
  lint
  luna
  lunula
  naan
  nail
  nana
  natal
  natant
  nautili
  null
  pain
  paint
  panini
  pant
  patina
  pinata
  pint
  pintail
  pinup
  pippin
  plain
  plaint
  plan
  plant
  plantain
  pliant
  punt
  taint
  tannin
  taunt
  tint
  titan
  tuna
  ulna
  unapt
  unit
  unlit
  unpin
  until