Vowels, umlauts, sPoecial characters, greek, french, ...Keys in the listTools (Werkzeuge)

F2Edit the List
F4Show further characters/symbols  (only when arrow down button is shown)
Ctrl + Cursor keyMove selected character/symbol
Alt ↓  ↑Show numbers and letters fpr rows and columns, so you can select a symbol with 1-9 and A-Z directly.
ShiftThe will not be hidden when releasing the character key