IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(3, 11, D:1)
  a +0 short sword
  2 stones
(5, -17, D:1)
  a ball python skeleton
(9, 22, D:1)
  a rat skeleton
(11, -7, D:1)
  a +0 club
(12, -19, D:1)
  a bat corpse (skeletalised by now)
(17, 9, D:1)
  a quokka skeleton
(18, 0, D:1)
  a +0 short sword
(18, 13, D:1)
  a hobgoblin skeleton
(31, -24, D:1)
  a frilled lizard corpse (skeletalised by now)
(34, -6, D:1)
  a stone
(36, -7, D:1)
  a stone
(36, -6, D:1)
  a stone
(36, -4, D:1)
  a stone
(37, -8, D:1)
  2 stones
(37, -6, D:1)
  2 stones
(37, -5, D:1)
  2 stones
(37, -4, D:1)
  4 stones
(37, -3, D:1)
  3 stones
(37, -2, D:1)
  2 stones
(37, -1, D:1)
  a stone
(38, -6, D:1)
  4 stones
(38, -3, D:1)
  a stone
(38, -2, D:1)
  a stone
(38, 0, D:1)
  a stone
(38, 6, D:1)
  a +0 club
  a goblin skeleton
(39, -9, D:1)
  a stone
(39, -6, D:1)
  2 stones
(39, -5, D:1)
  2 stones
(39, -3, D:1)
  a stone
(39, -2, D:1)
  2 stones
(39, -1, D:1)
  a stone
(40, -5, D:1)
  3 stones
(40, -4, D:1)
  a stone
(40, -3, D:1)
  3 stones
(48, -11, D:1)
  a hobgoblin skeleton
(48, 11, D:1)
  a bat skeleton
(49, -10, D:1)
  a +0 club
  a goblin skeleton
(52, 16, D:1)
  a ball python corpse (skeletalised by now)

Level 2 of the Dungeon
(5, 8, D:2)
  a +0 falchion
(8, -6, D:2)
  a +0 short sword
  a stone
(10, -21, D:2)
  a +0 leather armour
(13, -11, D:2)
  a +0 club
  a kobold skeleton
(15, 12, D:2)
  a +0 whip
  a kobold skeleton
(16, -11, D:2)
  the +0 dagger of the Everdark {holy, Stlth+}
    Stlth+:     It makes you more stealthy.
  a +0 dagger of venom
  a +0 ring mail
(21, -18, D:2)
  an adder skeleton
(22, -18, D:2)
  a jackal skeleton
  a jackal skeleton
(23, -18, D:2)
  a jackal skeleton
(24, -16, D:2)
  a +0 dagger
(28, 0, D:2)
  a jackal skeleton
(28, 4, D:2)
  a +0 chain mail
  an adder skeleton
(31, 0, D:2)
  a +0 club
(37, -20, D:2)
  a +0 club
(37, 10, D:2)
  a hobgoblin skeleton
(38, -11, D:2)
  a +0 scale mail
(40, -13, D:2)
  a +0 dagger
(43, -6, D:2)
  a scarab talisman
(45, 15, D:2)
  a +0 flail
(50, -7, D:2)
  a +0 trident

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 dagger
  an orc skeleton
(1, -7, D:3)
  a jackal skeleton
  a jackal skeleton
(2, -8, D:3)
  a jackal skeleton
(2, 20, D:3)
  a +0 sling
(3, -10, D:3)
  a +0 short sword
  a kobold skeleton
(4, -10, D:3)
  a jackal skeleton
(6, -20, D:3)
  a +0 flail
  a gnoll corpse (skeletalised by now)
(8, -20, D:3)
  a +0 whip
  a +0 halberd
  a gnoll corpse (skeletalised by now)
(9, -20, D:3)
  a +0 club
  a gnoll corpse (skeletalised by now)
(10, -13, D:3)
  a +0 whip
(11, -14, D:3)
  a +0 flail
  3 boomerangs
(12, -15, D:3)
  a +0 falchion
  a +0 ring mail
  an orc corpse (skeletalised by now)
(13, -17, D:3)
  a hobgoblin corpse (skeletalised by now)
(13, -16, D:3)
  a +0 mace
  an orc corpse (skeletalised by now)
(16, 15, D:3)
  a +0 war axe
(19, 6, D:3)
  a +0 robe
(20, 8, D:3)
  a +0 leather armour
(20, 29, D:3)
  a ball python skeleton
(28, 21, D:3)
  a +0 club
(34, -17, D:3)
  a +2 sling of freezing
  a +2 flail of protection
  a +4 spear
(39, 19, D:3)
  an adder skeleton
(41, 7, D:3)
  a +0 robe
(51, -20, D:3)
  a +0 great sword
(53, -10, D:3)
  a +0 robe
(54, 16, D:3)
  a +0 ring mail

Level 4 of the Dungeon
(9, -42, D:4)
  a +0 robe
  a +0 leather armour
  a +0 short sword
  the elf corpse of Duvessa (skeletalised by now)
(15, -49, D:4)
  4 stones
  a +0 dagger
(17, -35, D:4)
  a +0 robe
(22, -34, D:4)
  a +0 club
(29, -42, D:4)
  a scroll of identify