sentence: supper unit : canned meat , consisting of cervelat sausage , ( early version ) , either pork luncheon meat with carrot or apple ( first issue ) , beef and pork loaf ( second issue ) ; biscuits ; a 2-ounce ( 57 g ) d ration emergency chocolate bar , ( early version ) tropical bar , or ( in temperate climates ) commercial sweet chocolate bar ( late version ) , a packet of toilet paper tissues ; a four-pack of cigarettes ; chewing gum , and a bouillon packet ( cube or powder ) .