Ik (cuneiform)
The cuneiform sign ik,, is a common-use sign of the Amarna letters, the Epic of Gilgamesh, and other cuneiform texts. It has a common secondary use in the Amarna letters for "iq", for the spelling of Akkadian "qabû", for English "to speak", in dialogue to the pharaoh in the letters.
Linguistically, it has the alphabetical usage in texts for k, or q, or g. And a replacement for any of the four vowels, a, e, i, u.