IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 whip
(5, -9, D:1)
  5 stones
(6, 8, D:1)
  a +0 whip
  a kobold corpse (skeletalised by now)
(8, 1, D:1)
  a +0 sling
(9, -7, D:1)
  a scroll of revelation
(13, -23, D:1)
  a +0 club
(13, -4, D:1)
  a +0 dagger
  a +0 club
  a kobold skeleton
(13, 8, D:1)
  a hobgoblin skeleton
(14, 0, D:1)
  a +0 chain mail
(15, -25, D:1)
  a rat corpse (skeletalised by now)
(15, -2, D:1)
  a +0 short sword
  a kobold skeleton
(20, -3, D:1)
  an orb of mayhem
(22, 5, D:1)
  a +0 club
(23, -10, D:1)
  a +0 dagger
  a goblin skeleton
(23, 6, D:1)
  a bat skeleton
(29, 2, D:1)
  a +0 whip
(31, -7, D:1)
  a +0 club
  a kobold corpse (skeletalised by now)
(31, 2, D:1)
  a bat corpse (skeletalised by now)
(31, 18, D:1)
  a +0 chain mail
(32, -13, D:1)
  a +0 spear
  a gnoll skeleton
(34, 3, D:1)
  a +0 ring mail
(36, 0, D:1)
  a +0 dagger
  a goblin skeleton
(38, 13, D:1)
  a +0 dagger
  a goblin skeleton
(39, 0, D:1)
  a frilled lizard skeleton
(42, -18, D:1)
  a +0 club
(44, -18, D:1)
  a +0 club
(47, -12, D:1)
  a bat corpse (skeletalised by now)
(59, 7, D:1)
  a +0 dagger
(62, 4, D:1)
  a +0 short sword

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 flail
  a +0 scale mail
  the human skeleton of Terence
(2, -11, D:2)
  a bat skeleton
(3, -11, D:2)
  a rat skeleton
(5, -29, D:2)
  a rat skeleton
(8, 6, D:2)
  a bat corpse
(9, -19, D:2)
  a +0 dagger
(21, -22, D:2)
  a +0 leather armour
(25, -31, D:2)
  a +0 short sword
(26, -34, D:2)
  a +0 club
(29, -1, D:2)
  a ball python skeleton
(34, -38, D:2)
  a bat skeleton
(36, 5, D:2)
  a +0 short sword
  5 stones
(39, -35, D:2)
  a +0 ring mail