```python
def alias_resolve(aliases:    """
    Turns a name into whatever it stands for, one hop and no further.
    Hands back the name itself when it stands for nothing.
    """
    if name in aliases:
        return aliases[name]
    return name

    
def alias_names(aliases):
          """
    Lists every name that stands for something,       in alphabetical order.
    """
    return sorted(name for name in aliases if aliases[name] !=```