UCS-2 (1): U+61  ==> UTF-8: \x61"
UCS-2 (3): U+61 U+62 U+63  ==> UTF-8: \x61\x62\x63"
UCS-2 (1): U+391  ==> UTF-8: \xce\x91"
UCS-2 (2): U+391 U+392  ==> UTF-8: \xce\x91\xce\x92"
UCS-2 (3): U+391 U+392 U+393  ==> UTF-8: \xce\x91\xce\x92\xce\x93"
UCS-2 (1): U+966  ==> UTF-8: \xe0\xa5\xa6"
UCS-2 (2): U+967 U+966  ==> UTF-8: \xe0\xa5\xa7\xe0\xa5\xa6"
UCS-2 (3): U+968 U+967 U+966  ==> UTF-8: \xe0\xa5\xa8\xe0\xa5\xa7\xe0\xa5\xa6"