IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  4 stones
(1, 26, D:1)
  a +0 club
(6, -18, D:1)
  a +0 ring mail
(6, 3, D:1)
  a bat corpse (skeletalised by now)
(9, 22, D:1)
  a +0 ring mail
(11, -15, D:1)
  2 poisoned darts
(17, -23, D:1)
  6 stones
(17, -11, D:1)
  a rat corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(18, 13, D:1)
  a jackal corpse (skeletalised by now)
(19, 16, D:1)
  a hobgoblin corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(25, 15, D:1)
  a +0 robe
(27, 13, D:1)
  a +0 club
  a goblin skeleton
(27, 23, D:1)
  2 poisoned darts
(28, 16, D:1)
  a ball python skeleton
(34, -3, D:1)
  a +0 club
(36, -13, D:1)
  7 stones
(36, 16, D:1)
  a bat corpse (skeletalised by now)
(44, 6, D:1)
  a +0 plate armour
(54, -16, D:1)
  a jackal skeleton

Level 2 of the Dungeon
[Shop] Kamutoiz's Jewellery Shoppe
  a ring of see invisible (180 gold)
  a ring of protection from cold (300 gold)
  a ring of see invisible (180 gold)
  an amulet of regeneration (360 gold)
  a +6 ring of dexterity (432 gold)
  a ring of see invisible (180 gold)
  a ring of resist corrosion (240 gold)
  an amulet of faith (480 gold)
  an amulet of faith (480 gold)
  an amulet of the acrobat (360 gold)
  a +5 ring of evasion (432 gold)
(0, 0, D:2)
  a +0 short sword
(2, -10, D:2)
  a rat skeleton
(6, 2, D:2)
  a +0 dagger
  a goblin skeleton
(7, 25, D:2)
  6 stones
(8, 2, D:2)
  a +0 spear
  a +0 club
  a +0 spear
  a gnoll skeleton
(9, 3, D:2)
  a +0 club
(10, 2, D:2)
  a +0 flail
  a gnoll skeleton
(11, -13, D:2)
  a hobgoblin corpse (skeletalised by now)
(11, 9, D:2)
  a +0 pair of gloves
(11, 25, D:2)
  a rat skeleton
(13, 24, D:2)
  a hobgoblin skeleton
(20, 26, D:2)
  an adder skeleton
(25, 30, D:2)
  a rat skeleton
(25, 36, D:2)
  the felid corpse of Natasha (skeletalised by now)
(28, 40, D:2)
  a +0 antimagic dagger
  a kobold corpse (skeletalised by now)
(54, 28, D:2)
  a +0 robe
(60, 30, D:2)
  a bat corpse (skeletalised by now)

Level 3 of the Dungeon
(3, 1, D:3)
  a potion of resistance