Some useful resources:
Search ISO 639 code tables to see if a multilingual model is what you think:
https://iso639-3.sil.org/code_tables/639/data?title=aav&field_iso639_cd_st_mmbrshp_639_1_tid=All&name_3=&field_iso639_element_scope_tid=All&field_iso639_language_type_tid=All&items_per_page=200 17
Otherwise feel free to ask something like “Do you have english to german?” Yes, en-de!