A transitional change of the Latin script in the Nordic countries was to spell the letter combination "ae" as æ – and sometimes as a' – though it varied between persons and regions. The combination "ao" was similarly rendered ao, and "oe" became oe. These three were later to evolve into the separate letters ä, å and ö. The first time the new letters were used in print was in Aff dyäffwlsens frästilse ("By the Devil's temptation") published by Johan Gerson in 1495.Lars-Erik Edlund, "Språkhistorisk översikt" in
