IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 leather armour
(1, 1, D:1)
  a +0 short sword
  a stone
(2, -13, D:1)
  a +0 club
  a +0 dagger
  a goblin corpse (skeletalised by now)
  a rat corpse (skeletalised by now)
(11, 4, D:1)
  a +0 short sword
  a kobold skeleton
(18, -13, D:1)
  a +0 hand axe
(19, 13, D:1)
  a ball python corpse (skeletalised by now)
(21, -24, D:1)
  7 stones
(23, -5, D:1)
  a bat skeleton
(24, -13, D:1)
  a +0 ring mail
(26, 14, D:1)
  a rat corpse (skeletalised by now)
(30, 6, D:1)
  a +0 leather armour
(32, -13, D:1)
  a +0 leather armour
(35, -14, D:1)
  a hobgoblin skeleton
(35, 0, D:1)
  a +0 spear
(37, -18, D:1)
  a frilled lizard skeleton
(43, -7, D:1)
  a frilled lizard skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(4, 1, D:2)
  a +0 long sword
(17, 16, D:2)
  3 stones
  a +0 short sword
  a kobold skeleton
(19, 4, D:2)
  5 stones
(20, 13, D:2)
  a ball python skeleton
(27, 15, D:2)
  a +0 short sword
(28, 33, D:2)
  4 stones
(33, 32, D:2)
  a jackal skeleton
(33, 35, D:2)
  a +0 robe
(36, -3, D:2)
  6 poisoned darts
(38, 4, D:2)
  a +0 leather armour
(39, 13, D:2)
  a +0 dagger
(41, 4, D:2)
  a hobgoblin skeleton
(41, 20, D:2)
  an adder skeleton
(42, 1, D:2)
  5 stones
(42, 21, D:2)
  an adder skeleton
(48, 30, D:2)
  a bat skeleton
(49, 13, D:2)
  a hobgoblin corpse (skeletalised by now)
(49, 31, D:2)
  a +0 robe
(49, 32, D:2)
  a +0 sling

Level 3 of the Dungeon
(0, 4, D:3)
  a +0 club
(3, 4, D:3)
  a storm talisman

Level 4 of the Dungeon
[Shop] Nidy's Antique Weapon Boutique
  (Shop contents are unknown)
(0, 0, D:4)
  a potion of heal wounds
(5, 4, D:4)
  a +0 club
  an orc corpse
(7, 5, D:4)
  a +0 war axe (still there?)
  a +0 leather armour (still there?)
  a +0 heavy flail (still there?)
  an orc corpse (still there?)
(16, -6, D:4)
  a dart slug corpse

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 ring mail
(5, 3, D:5)
  a +0 scale mail
(15, -22, D:5)
  a +0 giant club
  an ogre corpse
(31, -5, D:5)
  a hound skeleton
(37, 1, D:5)
  a +0 whip
(37, 2, D:5)
  a +0 hand axe
  a +0 chain mail
(39, -4, D:5)
  a hound corpse (skeletalised by now)