What is the crossword answer for the clue: Start of a childrens rhyme

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

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

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

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

BAABAA - a 6 letter word may be the answer you are looking for!

Start of a children's rhyme

4 Character Answers:

ABCD

EENY

5 Character Answers:

ABCDE

EENIE

6 Character Answers:

BAABAA