QWERTY official languages of the European Union (excluding Bulgarian and Greek). Some letters, like Ł/ł needed for Slavic languages, are accessed by a special "overstrike" key combination acting like a dead key. However, the Romanian letters Ș/ș and Ț/ț (S/s and T/t with comma below) are not supported; the presumption is that Ş/ş and Ţ/ţ (with cedilla) suffice as surrogates. The Icelandic keyboard layout is different from the standard QWERTY keyboard because the Icelandic alphabet has some special letters, most of which it shares with the other Nordic countries: Þ/þ, Ð/ð, Æ/æ, and Ö/ö. (Æ/æ also occurs in Norwegian, Danish and
Bit-paired keyboard the Japanese keyboard layout, the Turkish F-keyboard, and the Russian JCUKEN (Latin) layout. Of these, only the Japanese remains in use; the Turkish layout was replaced by QWERTY with typewriter-paired keys, while the JCUKEN (Latin) was replaced by Cyrillic layouts. The influence of the Selectric layout was incomplete, however, and many layouts use the earlier 2" pairing, including UK layout and the Russian JCUKEN Cyrillic layout. Bit-paired keyboard A bit-paired keyboard is a keyboard where the layout of shifted keys corresponds to columns in the ASCII (1963) table, archetypally the Teletype Model 33 (1963) keyboard. This was later contrasted with