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:
Zi (cuneiform) Zi (cuneiform) The cuneiform zi sign is a common multi-use sign of the "Epic of Gilgamesh", the 1350 BC Amarna letters, and other cuneiform texts. It also has a sumerogrammic usage for ZI in the "Epic of Gilgamesh". The structure of the cuneiform sign is like its twin, Gi (cuneiform), . The "zi" sign has the syllabic usage for "ze" and "zi", and a sumerogram usage for "ZI". Alphabetically "zi" can be used for "z" ("z" can be interchanged with any "s"); and "zi"/"ze" can be used for "i," or "e". In Akkadian, all 4 vowels, "a, e, i, u"