aoao\u0061\u006F (C99)\U000061\U00006F (C99)\x61\x6F (encoding-dependent)\141\157 (encoding-dependent)\u{61}\u{6F} (C++23)\x{61}\x{6F} (C++23, encoding-dependent)\o{141}\o{157} (C++23, encoding-dependent)\U00000061\U0000006F\u0061\u006F\x61\x6F (encoding-dependent)\141\157 (encoding-dependent)\u0061\u006F\u{61}\u{6F}\u0061\u006F\x61\x6F\61\6F\000061\00006F=61=6F%61%6F