I'm not certain I understand the problem, but after setting the input language to German and finding a picture of a German keyboard I have been able to type the characters

I've put an image at
http://paste.opensuse.org/78440470
which shows which keys I used to type which characters. (Although I actually used the keys in the equivalent positions on a UK keyboard.) E.g. to type I pressed the key circled in blue followed by the e key.

Does this help?