Use post titles and slugs made of only numbers.

In some permalink structures, this default behaviour is not desirable. Typically, these will be those that do incorporate a date or some other unique identifier. In these cases, a site author might wish to have the sanitised name the same for each post, for example in the case of a weekly report or column. Singular is a simple plugin which removes the extra suffix that Wordpress automatically adds when a post with a similar name is published.

百度翻译别名