Today, my Russian studies have consisted of going through the small, commonly used words. I tested Clozemaster app and read this Most Common Russian Words - Top 1000 Russian words list (only top 100 though). There seems to be surprisingly many one letter words 🙃.

Picked up three I have not learned so far:

1. теперь - now - nyt

2. для - for (preposition) - no direct Finnish equivalent

3. вот - here (as in here you are) - tässä