IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a bat corpse (skeletalised by now)
(15, 14, D:1)
  a hobgoblin corpse (skeletalised by now)
(17, 0, D:1)
  a flux talisman
(18, 0, D:1)
  a frilled lizard skeleton
(21, -10, D:1)
  a bat corpse (skeletalised by now)
(25, -28, D:1)
  a bat corpse (skeletalised by now)
  a bat corpse (skeletalised by now)
(25, 15, D:1)
  a bat corpse (skeletalised by now)
(33, -33, D:1)
  a +0 short sword
(38, -16, D:1)
  a frilled lizard skeleton
(39, -22, D:1)
  a +0 short sword
(39, 11, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(44, -17, D:1)
  a +0 ring mail
(46, 10, D:1)
  a bat corpse (skeletalised by now)
(50, -20, D:1)
  a +1 whip of holy wrath
(54, -12, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a book of Callings
(3, 1, D:2)
  a +0 chain mail
(6, -18, D:2)
  a ball python corpse (skeletalised by now)
(14, 19, D:2)
  a +0 dagger
(23, -18, D:2)
  a +0 robe
(23, -6, D:2)
  a hobgoblin corpse (skeletalised by now)
(23, 3, D:2)
  a +0 leather armour
(24, 9, D:2)
  a +0 ring mail
(43, -8, D:2)
  a +0 short sword
(48, -10, D:2)
  a ball python skeleton
(50, 4, D:2)
  a +0 club
  a +0 sling
(51, -3, D:2)
  a bat skeleton
(53, 2, D:2)
  a +0 club
  a goblin skeleton