Step 1: Understand the question
The question is asking for a list of Chinese characters (汉字) that contain the prefix ai when romanized.

Step 2: Identify relevant Chinese characters
To answer this, we need to consider Chinese characters that are romanized with ai、This involves looking into various Chinese characters and their pinyin (romanization) to find those that start with or contain ai.

Step 3: List Chinese characters with ai
Some common Chinese characters with ai include: 爱 (ài) meaning love, 哀 (āi) meaning sorrow or grief, 埃 (āi) meaning dust, 艾 (ài) meaning mugwort, and 矮 (ǎi) meaning short.

Step 4: Provide a comprehensive list
Other characters include: 哎 (āi) an exclamation, 唉 (āi or ài) an expression of sighing or disappointment, 捱 (ái) meaning to endure, 癌 (ái) meaning cancer, 隘 (ài) meaning narrow pass, 蔼 (ǎi or ǎi) but more commonly written as 蔽 (ài) or 霭 (ǎi) meaning friendly or mist, 礙 (ài) meaning to hinder (traditional form, simplified is 碍).

Step 5: Compile the list
Compiling the list: 爱, 哀, 埃, 艾, 矮, 哎, 唉, 捱, 癌, 隘, 蔼 (or 霭), 礙 (or 碍).

The final answer is: 爱, 哀, 埃, 艾, 矮, 哎, 唉, 捱, 癌, 隘, 蔼, 礙.