Pronounced (-d) after a vowel sound and (-əd) after a consonant sound.
How'd you get here?
Foster'd
Mascara'd, OD'd
But when the train came near to Wormit Bay,Boreas he did loud and angry bray,And shook the central girders of the Bridge of TayOn the last Sabbath day of 1879,Which will be remember'd for a very long time - William Topaz McGonagall - The Tay Bridge Disaster