This will add special characters to names and check to see if they're available.
A list of all uppercase and lowercase special characters that are allowed in League of Legends summoner names and look like english letters.
Lower case: àáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿąćęıłńœśšźżžƒ
Upper case: ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞŸĄĆĘIŁŃŒŚŠŹŻŽ
Symbols: ª º ß ˆ ˇ ˉ fi fl µ μ