ldd business directory listings language

[ Modertor note: Decapped. Please do not post in all caps again, it’s considered rude. ]

i am trying to add listings in ldd business directory in greek and it is impossible it keeps showing ?????????????????? like this. ldd does not support greek language?is it only in english?can you help me on what to do to be able to write and publish listings in greek?thank you

http://wordpress.org/extend/plugins/ldd-business-directory/