Values:udub.
u₂-du-ub: YOS 01, 53, o i 74 [http://oracc.org/dcclt/signlists/P467315.86.3] (udub[coal]N/udub)Ea 01, 87 [http://oracc.org/dcclt/signlists/Q000153.188.3] (udub[coal]N/udub).
u-du-ub: CT 35, pl. 01-08, BM 108862, o i 63' [http://oracc.org/dcclt/signlists/P453275.79.3] (udub[coal]N/udub).
u₂-dub: Ea 01, 87a [http://oracc.org/dcclt/signlists/Q000153.189.3] (udub[coal]N/udub)MAOG 11/1-2 99-109, pl. 1, o iii 34 [http://oracc.org/dcclt/signlists/P282497.190.3] (udub[coal]N/udub); MAOG 11/1-2 99-109, pl. 1, o iii 34a [http://oracc.org/dcclt/signlists/P282497.191.3] (udub[coal]N/udub).