Bitstring to characters

What character(s) does a bitstring is encoded in each character set?

Encoding	Bitstring	Character(s)
ISO-8859-1	3f81983f3f3f81ca5c	????Ê\
SJIS-WIN	3f81983f3f3f81ca5c	?§???￢\
EUC-JP	3f81983f3f3f81ca5c	????????
UTF-8	3f81983f3f3f81ca5c	????????\
UHC	3f81983f3f3f81ca5c	?걯???곅\