or You can use ULM
1.Create "dictionary" with specyfic lenght with charset u l s
2.In "downsize" tab select "contain at most count of letter X (use this to delete words/masks with more tan 1 U)
3. Repeat it with "s"
4. "EXP/Mangle" tab Preffix/Suffix everywhere that hit "?"
After this steps You will got txt file with masks what You need
1.Create "dictionary" with specyfic lenght with charset u l s
2.In "downsize" tab select "contain at most count of letter X (use this to delete words/masks with more tan 1 U)
3. Repeat it with "s"
4. "EXP/Mangle" tab Preffix/Suffix everywhere that hit "?"
After this steps You will got txt file with masks what You need