Id (cuneiform) Another sign is similar to "lu", but has only 1-vertical, left and right, ku (cuneiform), and the Amarna letters is usually so compact, that hardly any of the individual strokes can be easily identified. Another sign is similar in this group to cuneiform "ur", but the center is replaced by 2 stokes, one angled down, and the other a wedge (at extreme right vertical), and is the "gáb" sign. In the Amarna letters it is often used for English "all", or "all (of us)", Akkadian language, "gabbu". (Amarna letters EA 153, EA 287, EA 288, and EA 267)--> Id (cuneiform)
U (cuneiform) Both Ù (cuneiform) and ú are in the top 25 most used signs, but E (cuneiform) and "u (cuneiform)" are not; other vowels (or combination) in the 25 are: a (cuneiform), i (cuneiform), and ia (cuneiform), (which has a secondary use as suffix, ""-mine"", or ""my"", thus in top 25 most used signs). Suffix ""iYa"" is used in the Middle East\Southwest Asia at present day to end placenames, or other names: "My Xxxxx". The use of "u" for numeral 10 has been explained above. It is used in the letters from Tushratta, speaking of the ancestral relations with former father