IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 short sword
(22, 30, D:1)
  a +0 whip
(23, -5, D:1)
  a +0 club
  a +0 spear
(23, 0, D:1)
  7 arrows
(25, 11, D:1)
  a +0 whip

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(5, 1, D:2)
  a +0 flail
(13, 30, D:2)
  a +0 club
(32, 15, D:2)
  a +0 leather armour
(33, 15, D:2)
  a +0 short sword
(35, -5, D:2)
  a +0 robe
(37, 23, D:2)
  16 bolts
(44, 7, D:2)
  a +0 dagger
(45, 8, D:2)
  a +0 long sword
(48, -3, D:2)
  a +0 trident
(51, 19, D:2)
  a +0 dagger

Level 3 of the Dungeon
[Shop] Kiw Pissyi's Book Shop
  a book of the Tundra (442 gold)
  a book of Callings (260 gold)
  a book of Beasts (494 gold)
  a book of Vapours (312 gold)
  a book of the Earth (520 gold)
  a book of Changes (234 gold)
  a book of the Moon (520 gold)
  a book of Maledictions (234 gold)
  a book of Geomancy (286 gold)
  a book of Maledictions (234 gold)
  a book of Iron (468 gold)
(0, 6, D:3)
  a +0 dagger
(0, 8, D:3)
  13 bolts
(0, 9, D:3)
  a +0 club
  a +0 flail
  a +0 dagger
  a +0 robe
(1, -12, D:3)
  a +0 spear
(2, -9, D:3)
  a stone
(2, 25, D:3)
  a +0 scimitar
(3, 22, D:3)
  a potion of heal wounds
(3, 25, D:3)
  8 gold pieces
(4, -9, D:3)
  a stone
(6, -7, D:3)
  2 stones
(8, 22, D:3)
  a wand of polymorph (2) (still there?)
  an adder corpse (skeletalised by now) (still there?)
(8, 23, D:3)
  a +0 hunting sling
  a +0 dagger
(31, -10, D:3)
  a +0 chain mail
(33, 20, D:3)
  a +0 club
  a +0 leather armour
(33, 23, D:3)
  a +0 club
(34, 23, D:3)
  a +0 short sword
  a +0 leather armour
(42, -13, D:3)
  a +0 dagger
(45, 23, D:3)
  a +0 short sword
(46, -6, D:3)
  a +0 hand axe
(50, 12, D:3)
  a +0 ring mail

Level 4 of the Dungeon
(0, 0, D:4)
  a potion of curing