M 212, rhif 2
12 Nid neithiar aryf baryf mab aillt

H 26, 335s6
12 nid nevthiar arf barf mab aillt

Pen 49, 59vs60v
12 Nid Naithior arf barf mab aillt

Wy 2, 150
12 Im aur ond eos a medd