pp appetizer 開胃小吃 [Card #3; 字卡第3張: 第1個單字, 字母組合發音 pp]
pp = /p/(2個相同子音在一起, 只發一個音)

Some more examples(更多例字):app, apple, dapple, grapple, ripple, cripple, topple, supple, dapper, pepper, zipper, slippers, copper, stopper, upper, supper, puppet, puppy, poppy, sloppy, floppy, choppy, snappy, happy, hippy, hippo, app, appetite, appetizer, apparent, apparel, apparatus, application, appraise, append, appendix, apprentice, appearance, appeal, appease, appear, disappear, appreciate, apprehension, appliance, approximate, appropriate, approach, appoint, approve, applaud, appall, apply, supply, supplement, supplant, support, suppose, oppose, opponent, oppress, suppress, opposite, opportunity, slippery, snippet, flippant, happen