whodunnit

Level 1 of the Dungeon
[Shop] Maffytha's One-of-a-Kind Rings
  a +6 ring of protection (1014 gold)
  a +9 ring of dexterity (1014 gold)
  a +2 ring of protection (130 gold)
  a +3 ring of dexterity (130 gold)
  the ring of the Frog {rPois rF+ AC+4 RMsl} (886 gold)
    [ring of protection]
    
    AC+4:       It affects your AC (+4).
    rF+:        It protects you from fire.
    rPois:      It protects you from poison.
    RMsl:       It protects you from missiles.
(0, 0, D:1)
  a +0 whip
(7, -36, D:1)
  a bat corpse (skeletalised by now)
(7, -35, D:1)
  a rat corpse (skeletalised by now)
(8, -37, D:1)
  a hobgoblin corpse (skeletalised by now)
(8, -36, D:1)
  a +2 short sword of protection
(8, -27, D:1)
  a quokka skeleton
(11, -28, D:1)
  a +0 short sword
(11, -6, D:1)
  a +0 short sword
(22, -47, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(25, -5, D:1)
  a jackal skeleton
(28, -8, D:1)
  a +0 pair of gloves
(31, -27, D:1)
  a +0 leather armour
(35, -28, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(38, -32, D:1)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(38, -14, D:1)
  a rat corpse (skeletalised by now)
(41, -14, D:1)
  a hobgoblin corpse (skeletalised by now)
(43, -10, D:1)
  a +0 short sword
(46, -18, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 long sword
(18, -17, D:2)
  a +0 cloak
(23, -15, D:2)
  a +0 dagger
  a +0 dagger
  a +0 leather armour
  a goblin corpse (skeletalised by now)
(31, -8, D:2)
  a +0 dagger
(34, -10, D:2)
  a ball python skeleton
(34, -3, D:2)
  a +0 scale mail
(37, -6, D:2)
  a +0 flail
  a +0 scale mail
  a ball python skeleton

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 quarterstaff
(2, -7, D:3)
  a +0 club
  a +0 spear
(3, -38, D:3)
  a +0 club
(3, -37, D:3)
  a +0 war axe
  a +0 leather armour
  an orc skeleton
(4, -38, D:3)
  a +0 short sword
  an orc skeleton
(13, -41, D:3)
  a +0 spear
  a gnoll corpse (skeletalised by now)
(19, -43, D:3)
  a bat corpse (skeletalised by now)
(22, -44, D:3)
  a +0 flail
  a +0 flail
  a +0 chain mail
  an orc skeleton
  an orc skeleton
(22, -43, D:3)
  a +0 hand axe
  a boomerang
  a +0 scale mail
  an orc skeleton
(23, -43, D:3)
  a rat corpse (skeletalised by now)
(24, -43, D:3)
  a +0 trident
(26, -51, D:3)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(29, -44, D:3)
  a +0 club
  6 boomerangs
(29, -34, D:3)
  a +0 short sword
(30, -15, D:3)
  a staff of alchemy
(46, -29, D:3)
  a ball python corpse (skeletalised by now)
(47, -24, D:3)
  a +2 pair of boots
(54, -21, D:3)
  a +0 dagger

Level 4 of the Dungeon
(0, 0, D:4)
  the felid skeleton of Natasha
(8, 1, D:4)
  an adder corpse
(8, 5, D:4)
  a +0 dagger
  a +0 flail
  a +0 ring mail
  a +0 dagger
  a +0 robe
  an orc skeleton
  an orc skeleton
  an orc skeleton
(9, 4, D:4)
  a +0 trident
  an orc skeleton
(10, 5, D:4)
  a +0 club
(12, -3, D:4)
  a black bear skeleton
(23, 1, D:4)
  a +0 club
(26, -2, D:4)
  a hobgoblin corpse (skeletalised by now)
(30, 21, D:4)
  a +0 ring mail
(51, 27, D:4)
  a +0 club

Level 5 of the Dungeon
[Shop] Qugeluog's Weapon Shop
  a +2 heavy quarterstaff (268 gold)
  a +0 double sword (210 gold)
  a +0 spear (42 gold)
  a +2 shortbow of flaming (243 gold)
  6 stones (8 gold)
  a +2 shortbow of electrocution (273 gold)
  a +0 quarterstaff (56 gold)
  a +0 trident (49 gold)
  the +0 glaive of Bloody Death {flame, rPois rF- Stlth+} (261 gold)
    rF-:        It makes you vulnerable to fire.
    rPois:      It protects you from poison.
    Stlth+:     It makes you more stealthy.
  a +4 war axe of flaming (396 gold)
  a +0 hand axe (42 gold)
(6, -27, D:5)
  a +0 leather armour
(14, -17, D:5)
  an adder skeleton
(47, -27, D:5)
  a +0 rapier
(49, -33, D:5)
  an adder skeleton
(50, -38, D:5)
  a +0 giant spiked club
(51, -5, D:5)
  an iguana skeleton
(54, -38, D:5)
  a +0 cloak
(58, -36, D:5)
  a quokka skeleton
(61, -28, D:5)
  a +0 scythe of venom
  a +0 robe

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 dagger
(0, 1, D:6)
  a scroll of identify
(21, 13, D:6)
  a scroll of amnesia