: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9

: H HÜ Hæ Hô H- H. H2 H< Ha Hb Hc Hd He Hf Hg Hh Hi Hl Hm Hn Ho Hp Hq Hr Hs Ht Hu Hw Hy Hz

: Hub-and-spoke