febr//uary skips the second box, so I think they aimed to have an equal number of options in each column.

If there’s a clear pattern, regex is your friend. I use it for complex find-and-replace actions, or to generate code based on a template and a list of values (find a value, replace it with the template including the value). Full control over the output, more reliable even than manual copy-pasting.

The software exists, it’s called Flohmarkt.