Generate common_items

Common Item
Item	Crowbar

Common Item
Item	Car keys

Common Item
Item	50 foot rope

Common Item
Item	Thermos

Common Item
Item	Wristwatch

Common Item
Item	House keys

Common Item
Item	Thermos

Common Item
Item	Wallet (1D6 × $10 inside)

Common Item
Item	Bag of chips

Common Item
Item	1D6 crates