geminating 'and'
Attested in Example 1.06 (GIŠIG-an-na), Example 3.14 (URUpal-ḫu-iš-ša-an-na), Example 4.08 (ku-ri-im-ma-aš-ša), Example 5.03 (a-pa-a-aš-ša), Madduwatta-text (an-ze-el-la-kán)