IndexError

Level 1 of the Dungeon
[Shop] Daix Uma's General Store
  a +0 phial of floods (560 gold)
  6 stones (8 gold)
  a scroll of enchant armour (unknown) (105 gold)
  2 boomerangs (56 gold)
  a scroll of teleportation (42 gold)
  a +0 lightning rod (4/4) (560 gold)
  a +2 lajatang of speed (798 gold)
  a scroll of identify (unknown) (28 gold)
  a potion of magic (112 gold)
  a +0 club (7 gold)
  a potion of enlightenment (unknown) (70 gold)
(0, 0, D:1)
  a bat corpse (skeletalised by now)
(4, -7, D:1)
  a +0 club
  a kobold skeleton
(6, 0, D:1)
  a +0 club
  a kobold skeleton
(17, -1, D:1)
  a +0 short sword
(17, 0, D:1)
  a scroll of fear
(17, 1, D:1)
  9 gold pieces
(18, -1, D:1)
  a +0 robe
(18, 0, D:1)
  5 poisoned darts
(18, 1, D:1)
  17 gold pieces
(19, -13, D:1)
  3 stones
(19, -1, D:1)
  a +0 robe
(19, 0, D:1)
  a +0 club
(19, 1, D:1)
  a potion of might
(23, -13, D:1)
  a +0 hand axe
(25, 3, D:1)
  a +0 dagger
(29, 2, D:1)
  a +0 sling
(32, -16, D:1)
  a +0 short sword
(37, -5, D:1)
  a ball python skeleton
(47, -2, D:1)
  a +0 club
  a goblin skeleton
(57, -5, D:1)
  a quokka corpse (skeletalised by now)
(57, 7, D:1)
  a +0 club
(59, -30, D:1)
  a frilled lizard corpse (skeletalised by now)
(59, -10, D:1)
  a +2 pair of gloves
(62, -29, D:1)
  a +0 dagger

Level 2 of the Dungeon
(0, 23, D:2)
  a frilled lizard corpse (skeletalised by now)
(2, 0, D:2)
  a +0 chain mail
(3, 9, D:2)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(4, 57, D:2)
  4 stones
  a +0 dagger
  a kobold skeleton
(5, 39, D:2)
  a bat corpse (skeletalised by now)
(8, 8, D:2)
  a +0 club
(20, 51, D:2)
  5 stones
(37, 56, D:2)
  a +0 flail
  an orc skeleton
(38, 57, D:2)
  a +0 dagger
  a +0 robe
  a +0 dagger
  a +0 ring mail
  a +0 whip
  an orc skeleton
  an orc skeleton
(40, 37, D:2)
  a +0 dagger
  a goblin skeleton
(40, 46, D:2)
  a +0 antimagic sling
(41, 19, D:2)
  a +0 spear
(42, 8, D:2)
  a rat skeleton
(42, 44, D:2)
  a +0 hand axe
(44, 20, D:2)
  a +0 ring mail
(48, 21, D:2)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(53, 9, D:2)
  a bat skeleton

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 ring mail
(8, -8, D:3)
  a rat corpse (skeletalised by now)
  a river rat corpse (skeletalised by now)
(15, 25, D:3)
  2 stones
  a +0 dagger
(17, 12, D:3)
  9 stones
(20, 16, D:3)
  a +0 hand axe
(20, 19, D:3)
  a +0 mace
  a kobold skeleton
(22, 21, D:3)
  a +0 whip
(26, 38, D:3)
  a +0 club
(27, 38, D:3)
  a +0 club
  a +0 club
  a goblin skeleton
(28, 36, D:3)
  a +0 club
  a goblin skeleton
(28, 38, D:3)
  a +0 club
  a +0 dagger
(29, 37, D:3)
  a +0 club
  a +0 sling
(30, 29, D:3)
  a +0 dagger
(30, 33, D:3)
  a +0 club
(31, 5, D:3)
  a bat skeleton
(31, 33, D:3)
  a +0 dagger
  a goblin skeleton
(34, 31, D:3)
  a +0 helmet
  a +0 animal skin
  a +0 trident
(35, 29, D:3)
  a +0 club
  a goblin skeleton
(36, 3, D:3)
  3 stones
  a +0 dagger
  a kobold skeleton
(39, 15, D:3)
  a +0 club
(41, 23, D:3)
  a ball python skeleton
(42, 44, D:3)
  a ball python corpse (skeletalised by now)
(45, 21, D:3)
  a maw talisman
(48, 3, D:3)
  an adder skeleton
(49, 29, D:3)
  a +0 club
(50, 17, D:3)
  a +0 club

Level 4 of the Dungeon
[Shop] Gozag's Platinum Reserve
  a +5 scimitar of flaming (3780 gold)
  the +1 robe of Meliug {+Inv Str-5 Dex+4 Archmagi} (3180 gold)
    +Inv:       It lets you turn invisible.
    Str-5:      It affects your strength (-5).
    Dex+4:      It affects your dexterity (+4).
    Archmagi:   It increases the power of your magical spells.
  the +0 robe "Ronaekhly" {rF- rC+++ rCorr Stlth+} (4430 gold)
    rF-:        It makes you vulnerable to fire.
    rC+++:      It renders you almost immune to cold.
    rCorr:      It protects you from acid and corrosion.
    Stlth+:     It makes you more stealthy.
  the +0 robe of Disguise {Int+6} (2050 gold)
    Int+6:      It affects your intelligence (+6).
(0, 0, D:4)
  6 stones
(23, -2, D:4)
  an iguana corpse (skeletalised by now)
(33, -56, D:4)
  a +0 robe
(37, 0, D:4)
  a +0 ring mail
(39, -60, D:4)
  a potion of lignification
(46, -38, D:4)
  a +0 ring mail
(50, -39, D:4)
  an iguana corpse (skeletalised by now)