Quote Originally Posted by Heart Of A Lion View Post
As you can see, all the endings for "-yo" are missing and marked by a question mark.
s: ружьё - ружья - ружью - ружьё - ружьём - ружье
p: ружья - ружьев - ружьям - ружья - ружьями - ружьях
(подчёркнуто ударение)