long oo - soon: cool, fool, noon, groom, root, tool, troop, hoop, stool, proof, roost, short oo - good: brook, crook, cood, hood, stood, hook, soot, wool, ?: could, would, should, route,

2.32 (sort 32 - within) long double o (oo) and short double o (oo) - (yellow)

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