Undo

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
  a kobold corpse (skeletalised by now)
(4, -2, D:1)
  a frilled lizard corpse (skeletalised by now)
(4, 0, D:1)
  a bat corpse (skeletalised by now)
(6, -2, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(7, -17, D:1)
  a +0 dagger
  3 stones
(15, -31, D:1)
  3 stones
(16, 0, D:1)
  a +0 mace
(36, -37, D:1)
  3 flux baubles
(36, 7, D:1)
  a +0 leather armour
(40, -31, D:1)
  a +0 scale mail
(50, 13, D:1)
  a +0 sling
(53, -41, D:1)
  a bat corpse (skeletalised by now)
(58, 14, D:1)
  a bat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 ring mail
(9, -27, D:2)
  an adder skeleton
(11, -19, D:2)
  a ball python skeleton
(11, 2, D:2)
  a +0 club
(14, -23, D:2)
  a +0 whip
  2 stones
(19, -32, D:2)
  a jackal skeleton
  a jackal skeleton
(23, -30, D:2)
  a jackal corpse (skeletalised by now)
(35, -18, D:2)
  a +0 club
  a goblin skeleton
(39, -20, D:2)
  a +0 dagger
  a goblin skeleton
(40, 2, D:2)
  a ball python corpse (skeletalised by now)
(44, -22, D:2)
  a bat skeleton
(44, -3, D:2)
  a +0 whip
  a kobold corpse (skeletalised by now)
(44, 2, D:2)
  a bat corpse (skeletalised by now)
(49, -29, D:2)
  a rat skeleton
(60, 6, D:2)
  4 atropa-tipped darts
(61, 4, D:2)
  a +0 short sword

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 hand axe
  an orc corpse (skeletalised by now)
(1, -16, D:3)
  a bat skeleton
(10, -7, D:3)
  a hobgoblin corpse (skeletalised by now)
(10, -5, D:3)
  a poisoned dart
(12, -23, D:3)
  a +0 club
(12, -21, D:3)
  a +0 robe
(12, -19, D:3)
  a +1 trident of venom
  a goblin skeleton
(14, -6, D:3)
  a scroll of teleportation
(20, -4, D:3)
  a quokka skeleton
(24, 6, D:3)
  a +0 leather armour
(26, -12, D:3)
  a rat skeleton
(30, -25, D:3)
  a +0 club
(33, 5, D:3)
  a +0 flail
(34, 5, D:3)
  a +0 spear
(35, 5, D:3)
  a +0 flail
  a gnoll skeleton
(41, -27, D:3)
  a rat corpse (skeletalised by now)
(43, -30, D:3)
  a +0 short sword

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 leather armour
(0, 14, D:4)
  a ball python skeleton
(3, 27, D:4)
  a ball python skeleton
(7, 6, D:4)
  a ball python corpse
(10, 26, D:4)
  a +1 flail of protection
  a +0 chain mail
  the human skeleton of Edmund
(15, 32, D:4)
  a kobold skeleton
(16, 6, D:4)
  a +0 scale mail
  a +0 dagger
(17, 30, D:4)
  a +3 dagger
(18, 8, D:4)
  a +0 leather armour
  a +0 rapier
  the human skeleton of Eustachio
(20, 6, D:4)
  a +0 ring mail
  a hobgoblin skeleton
(21, 6, D:4)
  a +1 dagger of flaming
  a +0 scale mail
(24, 27, D:4)
  a +0 robe
(25, 27, D:4)
  a quokka skeleton
(27, 28, D:4)
  a parchment of Dispel Undead
(28, 13, D:4)
  a +0 short sword
(28, 25, D:4)
  an adder skeleton
(32, 34, D:4)
  a +0 robe
(34, -12, D:4)
  a +0 robe
  a +0 dagger
(34, -4, D:4)
  a +0 dagger
(36, 20, D:4)
  a +0 chain mail
(37, 1, D:4)
  a +0 leather armour
  2 boomerangs
  a +0 falchion
  an orc skeleton
(37, 7, D:4)
  an adder skeleton
(44, 1, D:4)
  a +0 club
(45, 9, D:4)
  a +0 robe

Level 5 of the Dungeon
(1, -7, D:5)
  15 gold pieces
(3, -4, D:5)
  a +0 robe
(9, 0, D:5)
  a scroll of immolation