b to choose block: grass or grass_block to grass, wooden_planks to wooden planks, crafting_table to crafting table, furnace to furnace, chest to a chest, wood to wood (not in planks), plant to plant, torch to a torch, item frame: sword_item_frame, shovel_item_frame, axe_item_frame, pickaxe_item_frame, helmet_item_frame, chestplate_item_frame, pants_item_frame, boots_item_frame, hoe_item_frame, stone, stone_bricks, bricks, tnt, cow, sheep, and door