Mathics Language and Translation Toolkit module.

Example Session

$ mathicsscript
In[1]:= LoadModule["pymathics.language"]
Out[1]= pymathics.language
In[2]= Alphabet["Croatian"]
Out[2]= {['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'r', 's', 't', 'u', 'v', 'z', 'ć', 'č', 'đ', 'š', 'ž', 'dž', 'lj', 'nj']}