Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  an arrow
(1, -4, D:5)
  a cursed -1 shortbow (still there?)
  14 arrows (still there?)
(8, -3, D:5)
  a cursed +0 giant club
  an ogre corpse (skeletalised by now)
(11, 18, D:5)
  a +0 leather armour
(12, -9, D:5)
  a +0 ring mail
(13, -12, D:5)
  23 stones
(18, -5, D:5)
  a +0 leather armour
(22, 13, D:5)
  a jackal corpse
(22, 32, D:5)
  a +0 dagger of venom
  a +0 leather armour
  an orc corpse
(23, 14, D:5)
  a +0 dagger (still there?)
  a +0 robe (still there?)
  an orc corpse (still there?)
(27, 9, D:5)
  an iguana corpse

Level 6 of the Dungeon
(0, 0, D:6)
  8 gold pieces
(0, 15, D:6)
  23 bolts
(14, 15, D:6)
  11 gold pieces
(22, 28, D:6)
  a +0 hand axe (still there?)
  an orc corpse (skeletalised by now) (still there?)
(23, 28, D:6)
  a +0 trident
  an orc corpse (skeletalised by now)
(24, 27, D:6)
  an orc corpse (skeletalised by now)
(24, 28, D:6)
  a +0 club (still there?)
  a +0 leather armour (still there?)

Level 7 of the Dungeon
(0, 0, D:7)
  a +0 giant club
  a +0 whip
  an orc skeleton
(0, 1, D:7)
  a +0 leather armour
(0, 2, D:7)
  19 arrows (still there?)
  a +0 shortbow (still there?)
  a bullfrog skeleton (still there?)
  a centaur skeleton (still there?)
(1, 0, D:7)
  a +0 robe (still there?)
  a +0 dagger (still there?)
(2, 0, D:7)
  a howler monkey skeleton
(6, 25, D:7)
  19 stones
(15, 39, D:7)
  a +0 giant club
(15, 42, D:7)
  23 stones
(15, 43, D:7)
  a curare-tipped dart

Level 8 of the Dungeon
(0, 0, D:8)
  19 bolts

Level 9 of the Dungeon
(0, 0, D:9)
  a +0 dagger (still there?)
  a +0 robe (still there?)
(1, 0, D:9)
  a +0 hand axe
  an orc corpse
(1, 1, D:9)
  a +2 dagger of chaos (still there?)
  a +2 robe of positive energy (still there?)
  a +0 dagger (still there?)
  a +0 robe (still there?)
  an orc corpse (still there?)
(2, -1, D:9)
  a curare-tipped dart
(2, 0, D:9)
  a +0 club (still there?)
  a +0 leather armour (still there?)
  an adder corpse (still there?)
  an orc corpse (still there?)
(2, 1, D:9)
  a +1 dagger of speed (still there?)
  an orc corpse (still there?)
(3, 4, D:9)
  a curare-tipped dart
(9, 4, D:9)
  14 gold pieces