The correct way to write these words is to put aer in the second column, which is the middle column.
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"Standard Calligraphy Textbook for Teenagers·Standard English Writing: Letters, Words, Sentences and Essays" introduces teenagers to practice letters, words, sentences and essays. The first part talks about learning how to hold a pen and writing posture; the second part is mainly about letter exercises. The book contains analysis of letters, writing methods, common mistakes, tips, and there are homeworks at the bottom of each lesson to help you master them early. Proficiency with letters.
The grid of the English book is four lines and three squares (i.e. one row). The upper and lower case letters should be written evenly on the left and right as much as possible. See clearly how each letter occupies the grid. Pay attention to the placement of the upper and lower case letters when writing. Formatting and writing are different, and attention should also be paid to vertical alignment. All uppercase letters occupy the upper two spaces (if it is a horizontal line, it is above the horizontal line); lowercase letters generally occupy the middle space.