What does DH mean? And when people talk about their children, what does DS or DD mean?

THANKS! :)

DH- Dear Husband or depending on your mood when typing Damn Husband
DB- Dear Boyfriend
DF- Dear Fiance
DD- Dear Daughter
DS- Dear Son

Thank you so much! Hahaha, I was trying so hard to figure out what military acronym that was! :)

anytime!!