Generally, they are famous poems of the ancients, such as Nostalgia for the Red Cliff by Su Shi in the Northern Song Dynasty, Humble Room Inscription by Liu Yuxi, Manjianghong by Yue Fei, and Example by Zhuge Liang.
For example, there are two words: gentle wind, interesting book, elegant style, foresight, endeavor, soaring, willingness and so on.
Four-word title: quiet and far-reaching, bold and sincere, not easily confused, heroic in Wei and Jin Dynasties, forbearing alone, apricot blossom and spring rain, sitting and watching Yun Qi, elegant, white clouds just right, open-minded, self-reliant, mo Xiang and so on.
Calligraphy can also be based on your favorite fonts, such as Zhen, Cao, Li, Zhuan, Oracle Bone Inscriptions and so on.