aue, bao, blau, blough, bough, bow, brau, brough, brow, cao, chao, chow, clough, cow, crough, dao, dow, dowe, fao, frau, gnau, gow, grau, graue, hao, hau, how, howe, hsiao, kao, kau, kough, lao, lau, lough, mao, mau, now, ow, pao, pfau, plough, plow, pough, pow, powe, prough, prow, rao, rau, sao, schlough, schow, scow, shao, shough, skow, sow, sprow, strough, tao, tau, thao, thau, thou, tsao, vow, wow, xiao, yao, yow, zhao, zschau
Two Syllables
allow, arau, avow, bilbao, depauw, endow, fernao, kowtow, liao, macao, macau, mcdow, mcgough, meow, ndau, qiao, qingdao, sadao