Ää - The sound E makes in "bed" Ëë - The sound I makes in "it" Ïï - Used the same way it is in French or Dutch Öö - The sound I makes in "bird" Üü - Either an "ooh" sound or an "eeh" sound with rounded lips Šš - The sound "sh" makes in English Žž - The sound S makes in "measure" Ǩǩ - The sound "ch" makes in German words like "acht" Þþ - The sound "th" makes in "through" Ææ - The sound A makes in "cat"
Thanks to @22jacobn for the Stickbug thing I put in the background because I didn't know what to put there