Different Way of Alias in column

There are different ways to alias a column. Here are some possible ways that work in SQL Server.
01. select
02. 1 as number,
03. 1 number,
04. 1 "number",
05. 1 'number',
06. 1number,
07. 1"number",
08. 1'number',
09. 1 as "number",
10. 1 as 'number',
11. 1.number,
12. 1."number",
13. 1.'number',
14. 1 as [number],
15. 1 [number],
16. 1.[number],
17. 1[number]