Oi in noise and rejoice is sounded as ai.
In ointment and spoil it becomes ī or wī, giving intment and spile or spwile.
Ow takes the sound of er or y, in some form or other, as vollur and volly, to follow, winder and windy, a window.
U in such words as fusty and dust becomes ow, as fowsty, dowst.
D when preceded by a liquid is often dropped, as veel', field, vine, to find, dreshol, threshold, groun', ground.
Conversely, it is added to such words as miller, gown, swoon, which become millard, gownd, and zownd.
In orchard and Richard the d becomes t, giving us archet and Richut or Rich't; while occasionally t becomes d, linnet being formerly (but not now) thus pronounced as linnard in N. Wilts.
D is dropped when it follows n, in such cases as Swinnun, Swindon, Lunnon, London.