Characters that cause exceptions when URL encoded

try{0x0D
   encodeURIComponent(String.fromCodePoint(55296))0x0D
} catch {0x0D
   alert(55296);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55297))0x0D
} catch {0x0D
   alert(55297);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55298))0x0D
} catch {0x0D
   alert(55298);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55299))0x0D
} catch {0x0D
   alert(55299);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55300))0x0D
} catch {0x0D
   alert(55300);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55301))0x0D
} catch {0x0D
   alert(55301);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55302))0x0D
} catch {0x0D
   alert(55302);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55303))0x0D
} catch {0x0D
   alert(55303);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55304))0x0D
} catch {0x0D
   alert(55304);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55305))0x0D
} catch {0x0D
   alert(55305);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55306))0x0D
} catch {0x0D
   alert(55306);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55307))0x0D
} catch {0x0D
   alert(55307);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55308))0x0D
} catch {0x0D
   alert(55308);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55309))0x0D
} catch {0x0D
   alert(55309);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55310))0x0D
} catch {0x0D
   alert(55310);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55311))0x0D
} catch {0x0D
   alert(55311);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55312))0x0D
} catch {0x0D
   alert(55312);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55313))0x0D
} catch {0x0D
   alert(55313);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55314))0x0D
} catch {0x0D
   alert(55314);0x0D
} 

try{0x0D
   encodeURIComponent(String.fromCodePoint(55315))0x0D
} catch {0x0D
   alert(55315);0x0D
}