ss bass 低音樂器, 低音部 [Card #3; 字卡第3張: 第4個單字]

'ss' is usually /s/

ss = /s/（2個相同子音在一起, 只發一個音）

Final position（尾）：ass, bass, mass, amass, pass, bypass, surpass, class, glass, grass, brass, embarrass, harass, morass, actress, Bess, bless, messy, mess, less, unless, nevertheless, nonetheless, dress, address, guess, chess, possess, assess, access, recess, excess, success, obsess, caress, stress, distress, press, express, impress, depress, repress, suppress, oppress, compress, confess, profess, aggress, digress, regress, egress, progress*, process, prowess, miss, amiss, remiss, dismiss, diss, kiss, hiss, piss, bliss, Swiss, trespass, compass, fortress, cross, across, crisscross, loss, moss, toss, boss, emboss, gross, gloss, floss, fuss, muss, suss, buttress, discuss, canvass, carcass, harness, business, abyss, duress, transgress
*progress：當名詞時，重音落在第一音節；當動詞時，重音落在第二音節。

Medial position（中）：asset, classic, classify, password, passive, passage, hassle, vessel, essay, necessary, lesson, message, massage, essence, essential, cassette, profession, session, recession, concession, fission, mission, admission, permission, commission, compassion, passion, issue, tissue, assist, assistant, assistance, assiduous, assuage, assent, assemble, assembly, aggressive, assiduous, assign, assignment, assert, assertive, assure, assume, assail, assault, assorted, associate, assimilate, dissipate, pressure, pessimistic, potassium, blossom, possum, fussy, glossy, odyssey, tassel, mussel, tussle, fossil, colossal, possible, accessible, accessory, gesso, gossip, posse, molasses, incessant, dissident, disseminate