I’m not going to check all their pronunciations, but I found bunch more using a longer word list than the one I used earlier:
aa, antistress, appenzell, atoll, baseball, bicross, bill, birr, bizness, blaff, bluff, boss, boycott, brinell, brrr, bull, business, call, chafii, chott, criss, croskill, cross, cyclocross, djamaa, djemaa, djinn, drill, edelweiss, express, finn, fitness, fizz, football, full, gauss, gigawatt, glass, gneiss, graff, grill, grrr, guguss, guss, hall, hammerless, handball, hectowatt, igloo, immelmann, impresarii, jass, jazz, judd, kilowatt, krill, kriss, landammann, loess, mandrill, markkaa, mastiff, maxwell, megawatt, mess, miss, mistress, motoball, motocross, nell, off, pff, pitbull, pschitt, psitt, pull, putt, riff, riss, rufiyaa, scenarii, schlamm, schlass, schnouff, schuss, scull, sensass, shrapnell, skiff, sniff, softball, speiss, staff, stamm, stemm, stewardess, strass, stress, tarantass, tell, terawatt, topless, torball, torii, torr, toss, troll, tubeless, twill, velocross, watt, yass, zoo