behind

Level 1 of the Dungeon
(0, 0, D:1)
  a frilled lizard corpse (skeletalised by now)
(3, 9, D:1)
  a +0 spear
(9, -15, D:1)
  a +0 whip
  a kobold corpse (skeletalised by now)
(11, 2, D:1)
  a scarf of shadows
(18, -21, D:1)
  a hobgoblin skeleton
(18, 19, D:1)
  a +0 leather armour
(20, -21, D:1)
  a +0 robe
(28, 2, D:1)
  a ball python skeleton
(43, 13, D:1)
  a hobgoblin skeleton
(43, 14, D:1)
  a +0 club
  a goblin skeleton
(48, -11, D:1)
  a ball python corpse (skeletalised by now)
(49, -11, D:1)
  a ball python corpse (skeletalised by now)

Level 2 of the Dungeon
(14, -38, D:2)
  a +0 dagger
(34, -34, D:2)
  a +0 falchion
(38, -30, D:2)
  a ball python skeleton
(39, -21, D:2)
  a frilled lizard skeleton
(39, -17, D:2)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(39, 17, D:2)
  a +0 flail
(47, -3, D:2)
  a +1 chain mail of cold resistance
  a +0 leather armour
(48, -29, D:2)
  the felid skeleton of Natasha
(59, -20, D:2)
  a +0 ring mail

Level 3 of the Dungeon
(0, 0, D:3)
  a bat corpse (skeletalised by now)
(1, 3, D:3)
  a +0 falchion
(2, 3, D:3)
  a +0 scale mail
(10, -15, D:3)
  a quokka skeleton
(15, -5, D:3)
  a +0 club
(27, -13, D:3)
  a +0 short sword
(29, -10, D:3)
  a +0 falchion
  6 javelins
  an orc skeleton
(33, 9, D:3)
  a +0 dagger
  a goblin skeleton
(33, 11, D:3)
  a +0 leather armour
(35, -14, D:3)
  a +0 ring mail
(37, 17, D:3)
  a quokka skeleton
(38, -17, D:3)
  a +0 dagger
  a goblin skeleton
(40, 4, D:3)
  a +0 spear
(43, -5, D:3)
  a +0 trident
(44, 8, D:3)
  a +0 pair of gloves

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 short sword of draining (still there?)
  2 stones (still there?)