TryExcept

Level 1 of the Dungeon
(8, -17, D:1)
  a +0 club
(9, -9, D:1)
  a +0 whip
(23, 5, D:1)
  a +0 dagger
  a +0 dagger
(25, 5, D:1)
  a +0 dagger
(44, -13, D:1)
  a +0 spear
(45, -11, D:1)
  a +0 club

Level 2 of the Dungeon
(1, 23, D:2)
  a +0 spear
(11, 8, D:2)
  a +0 robe
(14, 24, D:2)
  a +0 leather armour
  a +0 chain mail
(22, 0, D:2)
  a +0 leather armour
(29, 27, D:2)
  a +0 club
  a +0 hunting sling
(40, 0, D:2)
  a +0 trident
(41, 7, D:2)
  a +0 leather armour

Level 3 of the Dungeon
(6, 9, D:3)
  a +3 spear
(19, -2, D:3)
  6 curare-tipped darts
(24, 0, D:3)
  a +0 falchion
(24, 1, D:3)
  14 arrows
(25, 1, D:3)
  a +0 short sword
(30, -19, D:3)
  a +0 leather armour
(47, 7, D:3)
  a +0 dagger
(51, -15, D:3)
  a +0 rapier

Level 4 of the Dungeon
(0, 0, D:4)
  a scorpion corpse
(3, -5, D:4)
  an adder corpse (skeletalised by now)
(6, 3, D:4)
  a stone
(6, 4, D:4)
  2 stones
(7, 5, D:4)
  a stone
(8, 6, D:4)
  a stone
(9, 2, D:4)
  a +0 leather armour
(13, 9, D:4)
  a stone (still there?)
  a +0 battleaxe (still there?)