Add new rules permalink on new php pages

How to create permalinks to get new parameters for new pages php
example:
http://www.sitename.com/index.php?page=list&id_cat=10&title=Categories
in
http://www.sitename.com/list/10/Categories
or
http://www.sitename.com/list/10-Categories.html

a structure a pleasure

Please help me!
Sorry my english language but I am italian