回复：Thanks 走马读人

GOOD

could, goode, hood, schuld, should, stood, wood, would, you'd

FOOD

1 syllable:
blued, booed, brewed, brood, chewed, clued, crude, cude, cued, dude, feud, glued, gude, hued, jude, lewd, mood, nude, plude, poohed, prude, rhude, rood, roode, rude, ruud, screwed, shooed, shrewd, skewed, sood, spewed, stewed, stude, sued, trude, tude, ude, viewed, who'd, wooed, you'd

In most cases, they are analysable, the rest one have to remember.