Quote Originally Posted by Seraph View Post
There are 20 verb prefixes, 15 preposition like, and 5 not. Sometimes add vowel before consonant clusters, and other usually obvious changes, like insert vowel, or з => с.

в до за из на над о (об) от по под пред при про с у

вз (воз) вы низ пере раз

I'll add the meanings.
There are much more.