IndexError

Level 1 of the Dungeon
[Shop] Rarghub's Magic Scroll Emporium
  a scroll of poison (56 gold)
  a scroll of magic mapping (105 gold)
  a scroll of brand weapon (133 gold)
  a scroll of magic mapping (105 gold)
  a scroll of identify (28 gold)
  a scroll of identify (28 gold)
  a scroll of poison (56 gold)
  a scroll of identify (28 gold)
  a scroll of identify (28 gold)
  a scroll of teleportation (42 gold)
  a scroll of identify (28 gold)
(5, -4, D:1)
  4 poisoned darts
(5, -3, D:1)
  a +0 sling
(7, 9, D:1)
  a +0 short sword
(11, -7, D:1)
  a +0 dagger
(13, -4, D:1)
  a +0 short sword
(22, -12, D:1)
  a +0 morningstar
(32, -2, D:1)
  a +0 whip
(32, 22, D:1)
  a +0 ring mail
(33, -1, D:1)
  5 stones
(34, 12, D:1)
  a +0 club
(44, -2, D:1)
  a +0 plate armour
(46, -8, D:1)
  a +0 mace
(57, 23, D:1)
  a +0 club
(60, -7, D:1)
  6 boomerangs
(61, -11, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 ring mail
(7, 24, D:2)
  a +0 club
(8, 4, D:2)
  5 stones
(8, 23, D:2)
  a +0 club
  a stone
(9, 12, D:2)
  a +1 dagger of protection
  a +0 club
(10, 14, D:2)
  a +0 club
  a +0 animal skin
(10, 21, D:2)
  a +0 club
(11, 17, D:2)
  a +0 dagger
(11, 21, D:2)
  a +0 club
(12, 17, D:2)
  a +0 dagger of venom
(12, 19, D:2)
  a +0 club
  a +0 sling
  a +0 dagger
(15, 18, D:2)
  an adder skeleton
(19, 23, D:2)
  7 stones
(20, 25, D:2)
  a frilled lizard skeleton
(21, 26, D:2)
  a +0 club
  4 stones
  a kobold skeleton
(22, 27, D:2)
  a ball python skeleton
(28, 18, D:2)
  a bat corpse (skeletalised by now)
(31, -4, D:2)
  a +0 dagger
(31, -3, D:2)
  a +0 dagger
(31, 34, D:2)
  6 stones
(34, -3, D:2)
  a +3 short sword
(38, 13, D:2)
  3 stones
(45, 21, D:2)
  a +0 leather armour
(46, -7, D:2)
  a ball python corpse
(47, -8, D:2)
  a +0 short sword
(51, 14, D:2)
  a +0 leather armour

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 whip
  a +0 leather armour
(5, 8, D:6)
  a +0 dagger
  a +0 ring mail
(5, 9, D:6)
  a +0 club
  a gnoll corpse
(6, 8, D:6)
  a +0 halberd
  a +0 dagger