IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(3, 8, D:1)
  a frilled lizard corpse (skeletalised by now)
(5, -35, D:1)
  a +0 ring mail
(9, -24, D:1)
  a +0 dagger
(11, -50, D:1)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(12, -19, D:1)
  a hobgoblin skeleton
(14, -41, D:1)
  a +0 flail
(19, -6, D:1)
  a +0 short sword
(28, -11, D:1)
  a +0 ring mail
(33, -36, D:1)
  2 stones
(37, -42, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(38, -50, D:1)
  a hobgoblin corpse (skeletalised by now)
(38, -9, D:1)
  a +0 spear
(39, -25, D:1)
  6 stones
(40, -2, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(41, -10, D:1)
  a ring of willpower
(45, -18, D:1)
  a +0 dagger
(49, -20, D:1)
  9 stones
(50, -9, D:1)
  a +0 club
(51, -20, D:1)
  a rat skeleton
(52, -46, D:1)
  a +0 ring mail
(53, -18, D:1)
  a hobgoblin skeleton
(54, -23, D:1)
  a rat skeleton
(60, -16, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(62, -45, D:1)
  3 stones
  a +0 dagger
  a kobold skeleton
(65, -34, D:1)
  a +0 short sword
  a kobold corpse (skeletalised by now)

Level 2 of the Dungeon
[Shop] Baeh Kum's Weapon Emporium
  a +0 dagger (20 gold)
  5 boomerangs (100 gold)
  8 stones (8 gold)
  a +0 short sword (30 gold)
  a +0 falchion (30 gold)
  8 stones (8 gold)
  5 stones (5 gold)
(0, 0, D:2)
  an adder corpse (skeletalised by now)
(1, 13, D:2)
  a +0 leather armour
(2, -1, D:2)
  a +0 ring mail
(7, -3, D:2)
  a hobgoblin skeleton
(7, 19, D:2)
  a +4 ring of slaying
(8, -2, D:2)
  a +0 club
  a goblin skeleton
(10, 34, D:2)
  9 stones
(13, 4, D:2)
  a bat corpse (skeletalised by now)
(17, 27, D:2)
  3 stones
(19, 22, D:2)
  a +0 short sword
  a kobold skeleton
(28, 1, D:2)
  a +0 ring mail
(28, 23, D:2)
  a +0 leather armour
(29, 30, D:2)
  4 silver javelins
(36, 8, D:2)
  a hobgoblin corpse (skeletalised by now)
(40, 2, D:2)
  6 stones
(42, 9, D:2)
  a +0 short sword
(42, 28, D:2)
  a +0 whip