Here you go it should be...
Eins, Zwei, Drei, Vier, Funf, Sechs, Sieben, Acht, Zehn, Elf, Zwolf, Dreizehn, Vierzehn, Funfzhen, Sechzehn, Siebzehn, Achtzehn, Nuenzehn, Zwanzig
The u in Funf,Funfzhen should have the two dots above them as well as the o in Zwolf.