Б A B C D E Ɛ F G H I J K L M ːF N O P Q R S T U ɐ V W X Y Z 1 Ə Ǝ 4, И Ỽ 7 8 ɤ ת Ө ʎ ƆT ㅋ ㅏ. Remember this alphabet? This is Shidinn. Or Xdi৪ Aho. Of course we can't type the Shidinn unicode block. Or can we? Well, if we look at Catrinity's Private Use Area PDF File, we can see the list of all Private use area symbols, until you stumble across Shidinn. Of course Shidinn has middle letters. Its for initials.