Translation of woof in Spanish

OK, I've understood the overall picture. I'm a little doubtful about how to detect the copyright issues, but I guess it's better to talk again after I received the first excel sheet. It is alright, I am seeing it as an extra measure.
I think that it is easy to find new students, as many of them have already visited schools in Switzerland or Germany, but most of them have been to Berlin. Spanish learning is less common these days.
I have already written some vocabulary lists on paper and typed in some of them here at Vocabulix. The automatic system here works better than flashcards on paper. Too bad there is no software.