Am I able to iterate through a list of static coupon codes instead of generating a dynamic code?

I am partnering with a different company that does not use Shopify for hosting and they will be providing me with a CSV list of coupon codes for a product on their store. I plan on importing these codes to my store and linking them to some test product, just so that I have them ready to send to customers.

On my store, I have a product with two variants, A and B. When a customer purchases product variant A I would like to send them a coupon code for the company I am partnering with. However, I need to send a unique code every time product variant is purchased, and using a dynamic code would defeat the purpose since I need to pull from this list of pre-made codes from the other company.

I have some coding experience, however I am totally new to Klaviyo and have only found resources for generating dynamic discount codes here. If there is another solution to this use-case I would be happy to hear!