Efficiency

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 whip
  a +0 club
  a gnoll corpse (skeletalised by now)
  an adder corpse (skeletalised by now)
(0, 1, D:4)
  a +0 spear (still there?)
  a gnoll corpse (skeletalised by now) (still there?)

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 hunting sling
(3, -6, D:5)
  a +0 leather armour
(23, 0, D:5)
  13 arrows
(41, 0, D:5)
  an adder skeleton
  an adder skeleton
(43, 7, D:5)
  a +0 robe

Level 6 of the Dungeon
(0, 0, D:6)
  22 stones
(2, -3, D:6)
  a +0 rapier
(3, 4, D:6)
  a +1 short sword of protection