What is the crossword answer for the clue: Should ___?

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

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

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

OUGHTTO - a 7 letter word may be the answer you are looking for!

SHAMROCK - a 8 letter word may be the answer you are looking for!

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

Should ___?

3 Character Answers:

IBE

5 Character Answers:

LITRE

OUGHT

6 Character Answers:

INCASE

7 Character Answers:

OUGHTTO

8 Character Answers:

SHAMROCK