Yew

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(7, -15, D:1)
  a +0 dagger
(9, -3, D:1)
  a +0 spear
(9, 6, D:1)
  a +0 ring mail
(10, -5, D:1)
  a +0 short sword
(24, -14, D:1)
  a +0 sling
(25, -24, D:1)
  a +0 ring mail
(27, -1, D:1)
  a +0 cloak
(37, -12, D:1)
  a staff of cold

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
(10, -6, D:2)
  a +0 dagger
(12, 1, D:2)
  a +0 club
(22, -18, D:2)
  an adder corpse (skeletalised by now)
(32, -13, D:2)
  a +0 whip
(32, -12, D:2)
  a +0 flail
  a +0 whip
(32, -11, D:2)
  a +0 club
(33, -21, D:2)
  a +0 dagger
  a +0 leather armour
(51, -15, D:2)
  a +0 short sword
(52, -6, D:2)
  a +0 spear
(53, -22, D:2)
  a +0 club
  a +0 dagger
(56, -6, D:2)
  a +0 sling

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 animal skin
(3, 6, D:3)
  a +0 spear
  a +0 ring mail
  a +0 helmet
  the hobgoblin corpse of Robin
(4, 7, D:3)
  a +0 club
  an adder corpse
  a hobgoblin corpse
(5, 7, D:3)
  a +0 dagger
  a +0 dagger
  a +0 club
  a goblin corpse
  a ball python corpse
  a goblin corpse
(5, 8, D:3)
  a +0 club
  a goblin corpse
(6, 8, D:3)
  a +0 dagger
  a +0 club
  a +0 club
  a goblin corpse
  a hobgoblin corpse
  a bat corpse
(12, 10, D:3)
  a rat corpse
(13, -3, D:3)
  3 stones
(13, 16, D:3)
  a +0 robe
(18, -12, D:3)
  a potion of resistance
(18, 4, D:3)
  a +0 leather armour
(22, -11, D:3)
  9 gold pieces
(22, -9, D:3)
  12 gold pieces
(32, -9, D:3)
  a +0 whip
  an orc corpse
(37, -7, D:3)
  a scroll of teleportation