Pease Porridge Hot

Pease porridge hot, pease porridge cold,
Pease porridge in the pot, nine days old;
Some like it hot, some like it cold,
Some like it in the pot, nine days old.

Pease Porridge hot,
Pease Porridge cold,
Pease Porridge in the Pot
Nine Days old,
Spell me that in four Letters?
I will, THAT.