Amnesiac

Level 1 of the Dungeon
(0, 0, D:1)
  a rat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a rat skeleton
(0, 1, D:2)
  a stone
(4, -10, D:2)
  a ration

Level 3 of the Dungeon
(0, 0, D:3)
  a scroll of teleportation