Ša

The cuneiform ša sign is a common, multi-use sign, a syllabic for ša, and an alphabetic sign used for š, or a; it is common in both the Epic of Gilgamesh over hundreds of years, and the 1350 BC Amarna letters.

Besides ša usage in word components of verbs, nouns, etc., it has a major usage between words. In Akkadian, for English language "who", it is an interrogative pronoun; in the Akkadian language as ša, (as "that", "what"; ("that (of)", "which (of)"), in English it used for who, what, which, etc..