: this radical brings the sound of 'ui' in the following examples

Examples:
谁 pinyin: shuí

Chinese phrase: 你是谁? nǐ shì shuí - Who are you?
谁来了? shuí lái le - Who has come?

堆
pinyin: duī

Chinese phrase: 堆积 duī jī -pile up
草堆 cǎo duī - haystack

推 pinyin: tuī

Chinese phrase: 推车 tuī chē - push a car
推销 tuī xiāo - promote sales
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