| 乃 | naai5 oi2 | then; really, indeed; as it turned out, after all; namely |
| 堨 | aat3 ngaat3 ngoi2 oi2 | daub |
| 㗒 | oi2 | (in grammar) interjection; to express sadness; sorrow and emotional excitement |
| 嗳 | oi2 | interjection; exclamation |
| 僾 | oi2 oi3 | like |
| 噯 | oi2 | interjection; exclamation |
| 蔼 | oi2 | lush; affable, friendly |
| 曖 | oi2 oi3 | obscure, dim, ambiguous, vague |
| 壒 | oi2 | dust |
| 瞹 | oi2 | clouded, obscure |
| 霭 | oi2 | cloudy sky, haze; calm, peaceful |
| 藹 | oi2 | lush; affable, friendly |
| 靄 | oi2 | cloudy sky, haze; calm, peaceful |
| 靉 | oi2 | cloudy sky; dark, obscure |