IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(4, 13, D:1)
  a +0 dagger
(4, 14, D:1)
  a +0 robe
(8, 20, D:1)
  a +0 short sword
  5 stones
(38, 29, D:1)
  a +0 dagger
(47, 27, D:1)
  a +0 club
(51, 30, D:1)
  20 stones
(54, 49, D:1)
  a +0 quarterstaff
(56, 34, D:1)
  a +0 whip
  5 stones
(60, -2, D:1)
  23 stones

Level 2 of the Dungeon
(2, 14, D:2)
  a +0 dagger
(8, 7, D:2)
  a +0 club
(19, 2, D:2)
  22 stones
(20, -13, D:2)
  24 stones
(37, -3, D:2)
  a +0 whip
(40, -24, D:2)
  a +0 club

Level 3 of the Dungeon
[Shop] Ofuutry's Book Shop
  a book of Alchemy (336 gold)
  the Tome of Lethal Companions (576 gold)
    Spells                            Type                      Level
     a - Pain                          Necromancy                    1
     b - Call Imp                      Summoning                     2
     c - Borgnjor's Revivification     Necromancy                    8
     d - Death's Door                  Necromancy                    9
  a book of Death (528 gold)
  a book of the Sky (528 gold)
  Ozocubu's Autobiography (288 gold)
  a book of Vapours (144 gold)
(0, 0, D:3)
  a +0 short sword
(8, -19, D:3)
  16 stones
(15, 0, D:3)
  a +0 club
(15, 1, D:3)
  a +0 flail
(15, 3, D:3)
  a +0 dagger
(18, -10, D:3)
  27 stones
  a +0 short sword
(23, 10, D:3)
  14 gold pieces
(31, -13, D:3)
  a +0 dagger

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 pair of boots
(10, -3, D:4)
  a +0 dagger
(11, -5, D:4)
  a +0 hand axe