By hare (air) mail.
Whittle by whittle.
ANSWER: Ask a woman her age.
A Pair-a-ducks.
the obituary read "Please send donations in luau flowers."
Both their first names have six letters. That's it. For now. Edit: they're both dead.
the woman asks her husband. "Keep sending them!"
Hop suey!
Because he kept quacking all the eggs!