Yew

Level 1 of the Dungeon
(0, 0, D:1)
  a rat corpse (skeletalised by now)
(10, 8, D:1)
  a jackal corpse (skeletalised by now)
(13, 8, D:1)
  a jackal corpse (skeletalised by now)
(24, 37, D:1)
  a +0 robe
(26, -12, D:1)
  a +0 dagger
(27, -11, D:1)
  a +0 short sword
  a kobold skeleton
(29, -2, D:1)
  a frilled lizard skeleton
(32, -2, D:1)
  a rat skeleton
(34, 7, D:1)
  a rat skeleton
(36, 22, D:1)
  a +0 short sword
(36, 23, D:1)
  a bat skeleton
(38, 29, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(49, -7, D:1)
  a +0 spear
(53, 13, D:1)
  a +0 leather armour
(56, 12, D:1)
  a +0 falchion
(58, 1, D:1)
  a quokka skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(3, 1, D:2)
  a +0 club
  a +0 sling
  a goblin corpse (skeletalised by now)
(5, 1, D:2)
  a hobgoblin skeleton
(6, 1, D:2)
  a +0 club
(7, 2, D:2)
  a +0 club
  a goblin skeleton
(8, 1, D:2)
  a +0 helmet
  a +0 short sword
  a +0 animal skin
  the hobgoblin corpse of Robin (skeletalised by now)
(10, 2, D:2)
  a +0 dagger
(13, 27, D:2)
  a rat corpse (skeletalised by now)
(14, 4, D:2)
  a quokka skeleton
(14, 5, D:2)
  a hobgoblin skeleton
(14, 13, D:2)
  a +0 dagger
(15, 5, D:2)
  a +0 club
(15, 6, D:2)
  a +0 dagger
  a +0 dagger
  a goblin skeleton
  a goblin skeleton
  an adder skeleton
(18, 17, D:2)
  a +0 cloak
(27, -4, D:2)
  a ball python skeleton
(27, 26, D:2)
  a +0 dagger
(28, -5, D:2)
  a bat skeleton
(34, -8, D:2)
  a +0 helmet
(47, -1, D:2)
  a +0 club
(52, 13, D:2)
  a +0 hand axe
(52, 24, D:2)
  a ball python corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 club
  a goblin corpse
(7, 9, D:3)
  a ball python corpse
  an adder corpse
(7, 10, D:3)
  a rat corpse
(7, 11, D:3)
  a giant cockroach corpse

a sewer
(0, 0, Sewer)
  a frilled lizard corpse
  a ball python corpse
(7, -17, Sewer)
  a rat corpse
(13, -9, Sewer)
  a rat corpse
(14, -9, Sewer)
  a rat corpse
  a rat corpse
  a rat corpse