tt attic 閣樓, 頂樓房間 [Card #3; 字卡第3張: 第5個單字, 字母組合發音 tt]
tt = /t/（2個相同子音在一起, 只發一個音）

Some more examples（更多例字）：attitude, attach, attack, attain, attend, attention, attempt, attest, attire, attune, attorney, battle, cattle, rattle, tattle, kettle, mettle, nettle, settle, little, belittle, brittle, whittle, bottle, mottle, throttle, shuttle, scuttle, rebuttal, batter, battery, matter, tatter, chatter, shatter, scatter, fatter, flatter, splatter, better, fetter, letter, litter, jitter, glitter, bitter, sitter, fritter, critter, otter, utter, butter, gutter, mutter, clutter, flutter, stutter, bitten, kitten, mitten, smitten, mitt, bottom, button, buttock, butt, putt, palette, pattern, petty, pretty, pottery, potter, lattice, lettuce, cotton, cottage, gotta, watt, ditto, motto, committee, rattan, matte, etiquette, boycott