Suggest me sub domain for my website

Hello
I am starting website where i will plan to sell shirts, mugs...in specific niche.
I may add articles(blog) to my website to drive traffic to my website.

For example, I bought a domain--- www.mywebsite.com
Please suggest me good sub domain for store and upcoming blog

Option 1.
Store- www.mywebsite.com
Blog- www.blog.mywebsite.com or www.blog/mywebsite.com or www.mywebsite.com/blog

Option 2.
Store- www.store.mywebsite.com or www.mywebsite.com/store or www.store/mywebsite.com
Blog- www.mywebsite.com

ps- This will be my 1st website.
I have another question, regarding woo theme
https://www.blackhatworld.com/seo/b...mand-products-shirts-hoodie-mugs-etc.1071332/

Bump

www.mywebsite.com/store or [URL='http://www.store.mywebsite.com']store.mywebsite.com[/URL]

Personally i'd go with shop and not store.