ā.
O. N. ā regularly > ē, written a, ai, ay, ae, ei (?): baith, blae, bray, braith, fra, frae, lait, craik, ra, saikless, spay, etc.
O. N. ā + g > aw, awch, aigh, aich, awsome, law, sb. law, adj. lawch, beside laigh and laich in N. Sco.
O. N. ā + l > ow in chowk (O. N. kjálki).
ē.
O. N. ē remains in ser, seir.
ē > ǣ, written a, in fallow.
O. N. ē before tt > i, written y, in tytt. Cp. titt in W. Norse dial.
ī.
O. N. ī most frequently remains ī, written i, y: flyre, gryce, grise, myth, skrik, rive, ryfe, tithand, etc.