zz buzz 昆蟲的嗡嗡聲 [Card #3; 字卡第3張: 第6個單字, 字母組合發音 zz]
zz = /z/（2個相同子音在一起, 只發一個音）
Some more examples（更多例字）：buzzer, jazz, fizz, fuzz, fuzzy, dazzle, frazzle, embezzle, sizzle, fizzle, frizzle, drizzle, grizzle, guzzle, muzzle, puzzle, nuzzle, nozzle, dizzy, mezzanine, blizzard