var str = 'caaaaaaaaaaaaaaaaaaaabcfffffffffffffffffffffbfdfdfdfffffdcfffffffffffffffffffffeceaababddddddddddddddecbddedec'
var jorma = {'a':'¯','b': '\\','c':'\n','d':'_','e': '/','f': String.fromCharCode(160)}
var newStr = ''
for (var i = 0; i < str.length; i++) {newStr += jorma[str.charAt(i)];}