Yew

Level 1 of the Dungeon
(0, 0, D:1)
  5 boomerangs
(5, -7, D:1)
  a +0 leather armour
(5, 10, D:1)
  a +0 dagger
(11, 8, D:1)
  4 stones
(11, 17, D:1)
  4 stones
(19, -13, D:1)
  a +0 club
(19, 18, D:1)
  4 poisoned darts
(25, -24, D:1)
  a +0 short sword
(25, 7, D:1)
  a +1 dagger of electrocution
  a +0 dagger
(42, -29, D:1)
  a +0 robe
(53, -14, D:1)
  a +0 dagger
  2 stones

Level 2 of the Dungeon
(0, 0, D:2)
  3 poisoned darts
(9, -2, D:2)
  2 stones
(11, 1, D:2)
  6 stones
(15, 32, D:2)
  a +0 leather armour
(18, -27, D:2)
  a +0 dagger
  5 stones
(20, -10, D:2)
  a +0 dagger
  a +0 robe
(20, 6, D:2)
  a +0 dagger
(22, 11, D:2)
  a +1 spear of freezing
(27, 3, D:2)
  a +0 club
(31, -11, D:2)
  a +0 whip
(34, 2, D:2)
  a book of Cantrips
(36, -7, D:2)
  a +0 scale mail
(46, 6, D:2)
  a ring of wizardry

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 scale mail
(25, -8, D:3)
  a book of Debilitation
(27, -12, D:3)
  a +0 dagger
  a +0 robe
(28, -11, D:3)
  a +1 dagger of venom
  a +0 robe
  a +0 club
  a +0 leather armour
(29, -10, D:3)
  a +0 short sword
(30, -12, D:3)
  a +0 club
(30, -10, D:3)
  a +0 dagger
  a +0 robe
(30, -9, D:3)
  a +0 club
(41, -3, D:3)
  a +0 ring mail
(46, 18, D:3)
  a +0 robe
(48, 20, D:3)
  a +0 dagger
(52, 8, D:3)
  a +0 dagger
(57, -6, D:3)
  a +0 ring mail
  a +0 flail
(57, 4, D:3)
  a +0 sling
(58, -6, D:3)
  a +0 scale mail
  a +0 club
  a +0 war axe
(58, -2, D:3)
  a ring of wizardry
(59, -9, D:3)
  an amulet of guardian spirit
(62, 16, D:3)
  a +0 leather armour

Level 4 of the Dungeon
(1, -30, D:4)
  a +0 short sword
(1, -29, D:4)
  a +0 dagger
(1, -5, D:4)
  a +0 dagger
(4, -30, D:4)
  3 stones
(5, 1, D:4)
  6 javelins
(9, -27, D:4)
  a +0 dagger
(10, -28, D:4)
  a +0 dagger
  4 poisoned darts
(22, -27, D:4)
  a +0 robe
(22, 0, D:4)
  a +0 leather armour
(23, -10, D:4)
  2 boomerangs
(28, 5, D:4)
  a +0 dagger
(41, -33, D:4)
  a +0 dagger
(49, -25, D:4)
  6 stones
(54, 8, D:4)
  a +0 club
(54, 9, D:4)
  a +0 flail
  a +0 short sword
  a +0 leather armour
(55, 9, D:4)
  a +0 trident

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 ring mail
(1, -2, D:5)
  a talisman of death
(1, -1, D:5)
  a stone
(3, -21, D:5)
  4 stones
(3, -9, D:5)
  a +0 robe
(7, -9, D:5)
  a +0 whip
(13, -26, D:5)
  a +0 club
(14, -26, D:5)
  a +0 club
  a +0 ring mail
  a +0 dagger
  a +0 robe
  a +0 mace
  a +0 club
(14, -13, D:5)
  a +0 club
(14, -12, D:5)
  a +0 dagger
  a +0 robe
(15, -11, D:5)
  a +0 short sword
(18, -13, D:5)
  a +0 short sword
  a +0 dagger
  a +0 leather armour
(26, -23, D:5)
  a book of Necromancy
(28, -24, D:5)
  5 stones
(30, -26, D:5)
  a +0 club
(32, -15, D:5)
  4 poisoned darts
(33, -7, D:5)
  a water moccasin corpse (skeletalised by now)
(35, -9, D:5)
  4 stones
(36, -9, D:5)
  a +0 ring mail
(39, -31, D:5)
  a +0 club
(39, -28, D:5)
  a +0 flail
(39, -27, D:5)
  a +0 club

Level 6 of the Dungeon
(0, 0, D:6)
  a ring of flight
(0, 10, D:6)
  a scorpion corpse
(1, 5, D:6)
  a water moccasin corpse
(1, 16, D:6)
  3 stones
(10, 5, D:6)
  5 stones
(11, 11, D:6)
  a water moccasin corpse