First sweet pronounciation of words

Whenever she hears sounds of aeroplane flying far flung above she is the first in home to say " Papa Alam" and then we all deaf family members are able to recognise that there is really an aeroplane flying.Worst is when my wife sleeps and there is phone rings she wakes her up and says "Mama Phun". We just imagine how sharp her ear's are! She is hardly 22 months