Tu (cuneiform) (see here, 2nd line from bottom (tablet Obverse): . The Hittite language version of "tu", (and ideogram "TU") is identical in common form to the Sumerian. The composition of the sign is effectively the 4-wedge strokes at left, (being še (cuneiform)) connected to the rest of the cuneiform sign. Cuneiform še is also a common-use syllabic sign, with few subvarieties. (Two example angled-wedges: ). For the "Epic of Gilgamesh", the following usage is found in Tablets I-XII: "tu"-(193), "tú"-(2), and "TU"-(9) times. "TU" is used for the name of the 'king of Shuruppak'-(father of Utnapishtim), Ubara-Tutu, and it is spelled:
Zu (cuneiform) Zu (cuneiform) Cuneiform zu, (also sú, ṣú, and sumerogram ZU (capital letter majuscule)), is an uncommon-use sign in the 1350s BC Amarna letters, the "Epic of Gilgamesh", and other cuneiform texts. Alphabetically, it could conceivably be used for letters "z", "s", "ṣ", or "u"; however in the Amarna letters it is used mostly for "personal names" or "geographical names". In the "Epic of Gilgamesh", sumerogram "ZU", is used to spell the name of god Ninazu, (a name of god Tammuz, two times, Chapter XII, 28, 47). In the "Epic", "ZU" is also used as a logogram, "ZU.AB", for Akkadian language