I have a array with string with letters , I hope they can sorted as below, what can I do? I read NSArray about sort methods, but I am not sure how to do in detail, can you help me?
A < ā < á < ǎ < à < B... < D < E < ē < é < ě < è < F .. < I < ī < í < ǐ < ì < J .. < N < O < ō < ó < ǒ < ò < P ... < T < U < ū < ú < ǔ < ù < ǖ < ǘ < ǚ < ǜ < V ... < Z
A < ā < á < ǎ < à < B... < D < E < ē < é < ě < è < F .. < I < ī < í < ǐ < ì < J .. < N < O < ō < ó < ǒ < ò < P ... < T < U < ū < ú < ǔ < ù < ǖ < ǘ < ǚ < ǜ < V ... < Z