Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 whip
(2, -2, D:1)
  an uncursed ring of protection from cold
(7, 1, D:1)
  a +0 whip
(8, -1, D:1)
  a +0 short sword

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword

Level 3 of the Dungeon
(0, 0, D:3)
  7 gold pieces
(3, -7, D:3)
  a +0 robe