These cannot follow an apostrophe or hyphen. The apostrophe and cap sign are used to compose additional punctuation. Similarly, the exclamation point was created by combining an apostrophe and a period. Use of the apostrophe may be recommended only for lowercase letters. More commonly this is represented by an apostrophe, or a superscript glottal stop symbol (). Possessive forms are not often needed, but can be formed using apostrophe + "s". And they can also be made possessive by adding an apostrophe and "s". Glottal stops are written with an apostrophe. Another confusion is evident in the spellings encountered both with and without an apostrophe. King's Cross is spelled both with and without an apostrophe. Although the stroke looks similar to an apostrophe, there is a significant difference in kerning. Instead, one typed a period, backspaced, and typed an apostrophe. However, the quotation marks, the apostrophe, and the prime serve quite different purposes. The form of the apostrophe makes the wind also a personification. This method can cause errors, especially for contractions that start with an apostrophe.