IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 whip
(6, 2, D:1)
  3 stones
  a +0 club
(10, 11, D:1)
  a +0 dagger
(17, -7, D:1)
  4 stones
(17, 9, D:1)
  a +0 spear
(19, 8, D:1)
  a +0 club
(25, 14, D:1)
  a +0 rapier
(35, 3, D:1)
  a +0 club
(40, 12, D:1)
  a +0 dagger
(43, 5, D:1)
  a +0 club
(43, 9, D:1)
  a +0 whip

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
(9, 9, D:2)
  a +0 dagger
  3 stones
(13, 17, D:2)
  a +0 mace
(22, -11, D:2)
  a +1 dagger of speed
(40, 9, D:2)
  a +0 dagger

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 hand axe
(5, 5, D:3)
  a +0 giant club
(11, -9, D:3)
  a +0 spear
(14, -8, D:3)
  a +0 club
(24, 24, D:3)
  a +0 short sword
(24, 32, D:3)
  8 stones
(32, 10, D:3)
  a +0 club
(42, 26, D:3)
  3 stones
(52, 6, D:3)
  a +0 hand axe
  a +0 club
(52, 7, D:3)
  a +0 flail

Level 4 of the Dungeon
[Shop] Deoceywu's Weapon Emporium
  a +2 short sword of venom (202 gold)
  a +0 lajatang (195 gold)
  a +0 battleaxe of draining (178 gold)
  a +4 quarterstaff of speed (442 gold)
  4 stones (5 gold)
  a +0 flail (45 gold)
  a +0 long sword (45 gold)
  6 stones (7 gold)
  a +0 war axe (45 gold)
[Shop] Xemig's Magic Scroll Boutique
  a scroll of teleportation (36 gold)
  a scroll of identify (24 gold)
  a scroll of immolation (48 gold)
  a scroll of noise (12 gold)
  a scroll of identify (24 gold)
  a scroll of fear (48 gold)
  a scroll of identify (24 gold)
  a scroll of teleportation (36 gold)
(0, 0, D:4)
  a +0 club
(2, -9, D:4)
  a +0 dagger
(3, -8, D:4)
  a +0 dagger
(15, -23, D:4)
  a +0 sling
(15, 0, D:4)
  a +0 club
(19, 12, D:4)
  a howler monkey corpse (skeletalised by now)
(25, -14, D:4)
  a +0 club
(25, -13, D:4)
  a +0 club
  a +0 dagger
(32, 3, D:4)
  6 boomerangs
(33, -21, D:4)
  a +0 spear
(36, -3, D:4)
  a +0 dagger

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 club
  a +0 ring mail
  a wand of mindburst (8)
  a +0 leather armour
  the goblin corpse of Ijyb
(4, 10, D:5)
  a +0 chain mail
(8, 4, D:5)
  a +0 short sword