So you have all documents filled with your name written as OE rather than O? How about your nomination?
https://en.wikipedia.org/wiki/Passports_of_the_European_Union#Identification_page
Hi! I've just updated my signature. You can also check it here:
https://docs.google.com/spreadsheets/d/1INy6sxuUIisgLOT7CcskWLjQjHV_6yVvUBRHceWE_a0/edit#gid=1110214908&range=A3