IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a quokka corpse (skeletalised by now)
(1, -3, D:1)
  a rat corpse (skeletalised by now)
(2, -2, D:1)
  a +0 whip
(3, -13, D:1)
  a ball python corpse (skeletalised by now)
(14, -12, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(14, -7, D:1)
  a bat corpse (skeletalised by now)
(15, -28, D:1)
  3 stones
(18, 13, D:1)
  a ball python corpse (skeletalised by now)
(18, 15, D:1)
  a +0 scale mail
(25, -21, D:1)
  a +1 vampiric short sword {!w}
(27, -21, D:1)
  a ball python skeleton
(34, -8, D:1)
  a +0 spear
(34, -7, D:1)
  6 stones
(36, -24, D:1)
  a ball python skeleton

Level 2 of the Dungeon
[Shop] Bataif's Armour Boutique
  a +0 ring mail (52 gold)
  a +0 scale mail (52 gold)
  a +0 ring mail (52 gold)
  a +0 ring mail (52 gold)
  a +0 scale mail (52 gold)
  a +0 robe (9 gold)
  a +0 buckler (58 gold)
  a +0 scale mail (52 gold)
  a +0 scale mail (52 gold)
  a +0 ring mail (52 gold)
(0, 0, D:2)
  a +0 club
  a goblin skeleton
(1, -15, D:2)
  a +0 club
  a goblin corpse
(2, -14, D:2)
  a +0 club
(3, 2, D:2)
  a bat skeleton
(5, -5, D:2)
  a ball python skeleton
(5, -3, D:2)
  an adder skeleton
(5, 11, D:2)
  4 stones
(8, 6, D:2)
  a +2 short sword of venom
  2 stones
  a +0 dagger
  a kobold skeleton
  a goblin skeleton
(9, 6, D:2)
  a +0 sling
  a goblin skeleton
(10, 3, D:2)
  a +0 chain mail
(13, 6, D:2)
  a +0 club
(19, 21, D:2)
  a rat corpse (skeletalised by now)
(21, -7, D:2)
  a +0 dagger
(25, -5, D:2)
  a rat corpse
(30, -7, D:2)
  a frilled lizard corpse
(33, 7, D:2)
  a ball python corpse (skeletalised by now)
(33, 11, D:2)
  a +0 club