Answer:
How do you spell hard water with only three letters?
What is filled with air and sometimes a gas, tied to a string and often seen on your birthday?
It is in every mountain, it's not in any hill, it's not in all the world, and yet it's in the mill.
There's one in every deck of cards and in a famous movie
I travel the world and I am drunk constantly. Who am I?
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.