zài / gǔ / dài / wǔ / xíng / tǐ / xì / zhōng / bǐng / dīng / dōu / yǔ / huǒ / yǒu / guān

在古代五行体系中，丙丁都与火有关。

In the ancient Five Phases system, both bǐng and dīng were associated with fire.