u₂-ṣu: MSL 03, 094 ST r i 18 (uz[duck]).
u₂-uz: CT 11, pl. 27, BM 093033 r i 4 (uz[duck]).
uz: CUSAS 12, 1.1.2 r ii 18 (uz[duck]); Ea 07 205 (uz[duck]).