IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(1, -3, D:1)
  a +0 dagger
(2, -17, D:1)
  a +0 short sword
(2, 3, D:1)
  a +0 whip
(4, -20, D:1)
  a +0 short sword
  a stone
(19, 2, D:1)
  a ring of poison resistance {rPois, !d}
(20, -15, D:1)
  a +0 club
(20, -11, D:1)
  a +0 short sword
(20, 1, D:1)
  a +0 short sword
(23, -15, D:1)
  a +0 dagger
(42, -5, D:1)
  8 stones
(44, -7, D:1)
  a +0 dagger
(47, -28, D:1)
  4 stones

Level 2 of the Dungeon
(0, 0, D:2)
  3 stones
(3, -28, D:2)
  2 stones
  a +0 short sword
(6, -1, D:2)
  a +0 dagger
(26, -17, D:2)
  a +0 club

Level 3 of the Dungeon
[Shop] Leamm's Weapon Shop
  a +0 spear (30 gold)
  a +0 long sword (35 gold)
  a +0 club (10 gold)
  a +0 dagger (20 gold)
  a +0 long sword of protection (62 gold)
  a +0 sling (15 gold)
  a +0 short sword (30 gold)
(0, 0, D:3)
  a +0 club
(1, 2, D:3)
  a +0 club
  an orc corpse
(9, -2, D:3)
  a +0 spear
(9, 2, D:3)
  a +0 whip
(9, 34, D:3)
  a +0 dagger
(15, 23, D:3)
  a +0 spear
(23, 23, D:3)
  a +0 halberd
(24, 19, D:3)
  a +0 short sword
(25, 19, D:3)
  a +0 club
(30, 18, D:3)
  a +0 club
  an orc corpse (skeletalised by now)

Level 4 of the Dungeon
(0, 0, D:4)
  16 gold pieces
(3, 3, D:4)
  6 gold pieces
  a hobgoblin corpse
(4, 4, D:4)
  a +0 club
  a kobold corpse
(4, 8, D:4)
  a +0 giant club
  an ogre corpse
(5, 8, D:4)
  a +0 club
  an orc corpse
(5, 10, D:4)
  a +0 club
(7, 13, D:4)
  a +0 short sword
(9, 0, D:4)
  8 gold pieces
(12, 1, D:4)
  a gold piece
(13, 4, D:4)
  17 gold pieces
(17, 2, D:4)
  a potion of curing