Using this small plugin, you may get a new keyboard, which you can customize to only include the letters you need.
Since version 1.1.0 you also have the possibility to customize the hardware keyboard. You may for example configure typing the letter a followed by the letter e should insert the letter æ, or pressing Fn+Sh+b should insert ß. Finally this feature may be used to insert who sentences, for example could syl be replaced with see you later.
