4 words.
They are the four characters Chun, He, Ming and Jing.
The character (Pinyin: zì) is a first-level standard Chinese character (commonly used character). This character first appeared in bronze inscriptions in the Shang Dynasty. Its ancient character image is like giving birth to and raising children (zi) in a house (宀). The original meaning of "zi" refers to giving birth to children, which is extended to raising children, and is also extended to marrying a woman. In ancient times, pictographic characters were called "wen", and characters based on pictographic characters were called "zi". Later, it was collectively referred to as words, and was extended to things written in words, such as fonts, calligraphy works, letters, notes, etc. "Zi" also extends to a person's alias, which is generally related to the meaning of the person's name.