1. The prefix "me-" can change to "mem-", "men-", "meny-", "meng-", or "menge-" depending on the initial letter of the basic word. 2. If the basic word starts with "k", the initial letter changes to "ng". If the basic word starts with "p", the initial letter changes to "m". 3. The prefix "me-" does not change if the basic word starts with "t", but the "t" changes to "n". If the basic word starts with "s", the "s" changes to "ny".