IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(2, -3, D:1)
  a +0 club
(5, 15, D:1)
  a +0 short sword
(7, -18, D:1)
  a +0 club
  4 stones
(7, -8, D:1)
  a +0 leather armour
(11, 2, D:1)
  a rat skeleton
(14, -15, D:1)
  a bat skeleton
(14, -11, D:1)
  a hobgoblin skeleton
(17, -15, D:1)
  2 stones
  a +0 whip
  a kobold skeleton
(17, 8, D:1)
  a +0 long sword
(18, -15, D:1)
  a +0 whip
(18, 11, D:1)
  a +0 dagger
(19, -19, D:1)
  a +2 helmet
  a +0 animal skin
  a +0 short sword
  the hobgoblin corpse of Robin (skeletalised by now)
  a ball python skeleton
(20, -18, D:1)
  3 stones
(22, -4, D:1)
  a rat skeleton
(23, -19, D:1)
  a +0 dagger
(26, -8, D:1)
  a +0 club
(30, -6, D:1)
  a hobgoblin skeleton
(40, 12, D:1)
  a jackal corpse (skeletalised by now)
(42, 13, D:1)
  a +0 dagger
  a jackal corpse (skeletalised by now)
  a kobold corpse (skeletalised by now)

Level 2 of the Dungeon
[Shop] Atunaex's Assorted Antiques
  the ring "Neffeh" {MP+4 SInv} (699 gold)
    [ring of see invisible]
    
    MP+4:       It affects your magic capacity (+4).
    SInv:       It lets you see invisible.
  a scroll of amnesia (92 gold)
  a scroll of immolation (92 gold)
  a +0 leather armour (46 gold)
  a scroll of identify (46 gold)
  a +0 lightning rod (4/4) (920 gold)
  a +0 leather armour (46 gold)
  a +0 hand axe (69 gold)
(2, 2, D:2)
  a bat corpse (skeletalised by now)
(2, 3, D:2)
  a bat corpse (skeletalised by now)
(3, -2, D:2)
  a +0 robe
(4, -4, D:2)
  a frilled lizard corpse (skeletalised by now)
(5, -23, D:2)
  a +0 spear
(5, -22, D:2)
  a +0 club
  a +0 club
(12, -35, D:2)
  a bat corpse (skeletalised by now)
(12, 17, D:2)
  an adder corpse (skeletalised by now)
(14, -25, D:2)
  a bat corpse (skeletalised by now)
(23, -40, D:2)
  a +0 club
  a kobold corpse (skeletalised by now)
(27, -4, D:2)
  a +0 dagger
  an orc corpse
(27, -2, D:2)
  a +0 dagger
  a +0 robe
  an orc corpse
(35, -15, D:2)
  6 boomerangs
(35, -1, D:2)
  a +0 club
  a +0 club
  a +0 dagger
  a goblin skeleton
  a goblin skeleton
  a hobgoblin skeleton
(35, 0, D:2)
  a +0 club
  a +0 club
  a +0 club
  a goblin skeleton
  a goblin skeleton
(35, 1, D:2)
  a +0 dagger
  a goblin skeleton
  a hobgoblin skeleton
(35, 9, D:2)
  a +0 dagger
(36, 5, D:2)
  a hobgoblin skeleton
(38, 9, D:2)
  a +0 club
  a goblin skeleton
(49, 5, D:2)
  a jackal corpse (skeletalised by now)
(50, -4, D:2)
  a hobgoblin corpse (skeletalised by now)
(51, 7, D:2)
  a +0 club
  a gnoll corpse (skeletalised by now)
(61, 3, D:2)
  a +0 dagger
  a hobgoblin corpse (skeletalised by now)

Level 3 of the Dungeon
(5, -1, D:3)
  a scroll of enchant armour