What is the crossword answer for the clue: Chain letters

DNA - a 3 letter word may be the answer you are looking for!

RNA - a 3 letter word may be the answer you are looking for!

HOAX - a 4 letter word may be the answer you are looking for!

IHOP - a 4 letter word may be the answer you are looking for!

SANDM - a 5 letter word may be the answer you are looking for!

MAIL - a 4 letter word may be the answer you are looking for!

RHO - a 3 letter word may be the answer you are looking for!

Chain letters

3 Character Answers:

DNA

RHO

RNA

4 Character Answers:

HOAX

IHOP

MAIL

5 Character Answers:

SANDM