Ỻwytmor, 220, [668].

Ỻychwr, [513]–5.

Ỻydaw, [531]–6; see Ỻyn Ỻydaw.

ỻyfethair, 51.

Ỻyfni, the Arfon, [444].

—, the Ỻangorse, 72, 74.

ỻyg, [530].

ỻygad, 391.

Ỻygad Ỻychwr, 391.

— Yw, [517], [518].