IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(1, 0, D:1)
  a +0 dagger
(7, 11, D:1)
  a +1 short sword of venom
(24, -18, D:1)
  a +0 club
(24, -17, D:1)
  a +0 dagger
(24, 0, D:1)
  a +0 mace
(25, -1, D:1)
  a +0 dagger
(28, -19, D:1)
  a +0 club
(33, -26, D:1)
  a +0 dagger
(44, 8, D:1)
  a +0 club
(48, -13, D:1)
  5 stones
(48, -12, D:1)
  10 gold pieces
(48, -11, D:1)
  11 gold pieces
(48, -8, D:1)
  a +0 club
(49, -13, D:1)
  8 gold pieces
(49, -12, D:1)
  9 gold pieces
(49, -11, D:1)
  5 gold pieces
(50, -13, D:1)
  a +0 leather armour of poison resistance
  (unseen)
(50, -12, D:1)
  a +0 ring mail
(50, -11, D:1)
  13 gold pieces

Level 2 of the Dungeon
[Shop] Xoulum Jiha's Weapon Boutique
  a +0 whip (30 gold)
  a +1 vampiric dagger (156 gold)
  a +0 club (12 gold)
  a +0 hand axe (36 gold)
  a +0 mace (36 gold)
  a +0 trident of freezing (99 gold)
  a +0 whip (30 gold)
  a +0 whip (30 gold)
  a +0 flail (42 gold)
  a +0 spear (36 gold)
  a +0 sling (18 gold)
(0, 0, D:2)
  a +0 animal skin
(1, -22, D:2)
  a book of Dangerous Friends
(4, -30, D:2)
  a +0 spear
(16, -21, D:2)
  a +0 short sword
(24, -21, D:2)
  a +0 club
(25, -12, D:2)
  a +1 dagger of venom
(38, -6, D:2)
  a +0 dagger
(38, -5, D:2)
  a +0 dagger
(46, -12, D:2)
  a +0 dagger
(48, -14, D:2)
  a +0 scale mail

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 dagger
(0, 1, D:3)
  a +0 club
(7, 13, D:3)
  a +1 leather armour of fire resistance
  a +0 club
(7, 14, D:3)
  a +0 robe
  a +0 dagger
(7, 15, D:3)
  a +0 hand axe
  a +0 leather armour
  a +0 hand axe
(17, -23, D:3)
  a +0 whip
(17, -22, D:3)
  a +0 ring mail
  a +0 morningstar
(18, -24, D:3)
  a +0 club
(19, -24, D:3)
  a +0 leather armour
  a +0 club
(21, -11, D:3)
  a +0 club
(33, 3, D:3)
  a +0 club
  a +0 sling
(37, 4, D:3)
  a +0 robe
(40, -8, D:3)
  a +0 dagger
(41, -8, D:3)
  a +0 dagger
(56, -34, D:3)
  a +0 ring mail

Level 4 of the Dungeon
(0, 0, D:4)
  a hobgoblin corpse (skeletalised by now)
(4, -3, D:4)
  an iguana skeleton
(11, 14, D:4)
  a black bear skeleton
(11, 15, D:4)
  a +0 short sword
(14, 20, D:4)
  a hobgoblin skeleton
(16, 6, D:4)
  an adder skeleton
(18, -4, D:4)
  a +2 mace of venom
  (unseen)
(18, 5, D:4)
  a +0 ring mail
(18, 34, D:4)
  a +0 dagger
(22, -6, D:4)
  14 gold pieces
(22, -5, D:4)
  a scroll of identify
(22, -4, D:4)
  16 gold pieces
(22, 32, D:4)
  a hobgoblin corpse
(23, -6, D:4)
  a potion of curing
(23, -4, D:4)
  a +0 pair of boots
(32, 18, D:4)
  a +0 club
  a +0 ring mail
(41, 2, D:4)
  a +0 club