第一组 单元音
three, seek ,pleasure , hat , skirt , delicious , hunt , card , goose ,short, hop
第二组 双元音
say ,side ,meow, grow, here, hair,poor
第三组 摩擦音，爆破音
pin, ten,cake,book,duck,flower,zoo,rubbish,throw,breathe,hide,red
第四组 破擦音
cherry, job, try, dress, gets, cards
第五组 鼻音、舌侧音、半元音
nurse, singer ,moon, pool, you, wish

15'

48'