gg egg 蛋 [Card #2; 字卡第2張: 第1個單字, 字母組合發音 gg]
gg = /g/(2個相同子音在一起, 只發一個音)

Some more examples(更多例字):baggage, luggage, nugget, haggle, waggle, giggle, jiggle, wiggle, wriggle, squiggle, goggle, toggle, joggle, juggle, smuggle, snuggle, struggle, sluggish, baggy, saggy, foggy, soggy, buggy, piggy, piggyback, dagger, stagger, trigger, aggregate, aggravate, aggressive, maggot