List

Bytes	Encoding Form
00 00 FE FF	UTF-32, big-endian
FF FE 00 00	UTF-32, little-endian
FE FF	UTF-16, big-endian
FF FE	UTF-16, little-endian
EF BB BF	UTF-8

- Reference
  Unicode Home Page - FAQ - UTF and BOM
  http://www.unicode.org/faq/utf_bom.html#BOM