O. N. ū remains in buth, grouf.
O. N. ū generally > ou, ow: boun, bowne, bowk, cow, cour, etc.
ū > ō in solande, stot.
ū > ŭ in busk.
ȳ.
O. N. ȳ regularly > ī, written i, y: lythe, tyne, sit, skyrin, snite. Cp. y.
O. N. ȳ appears as ē (ei) in neiris, exact sound not certain. Cp. ȳ before st > ĭ in thrist (O. N. þrýsta).
ǣ.
O. N. ǣ remains in hething.
ǣ > e in sait.