12. A blank
is a humorous poem, sometimes nonsensical or bawdy, with an
AABBA rhyme scheme, written in the form of five anapest lines (stressed/unstressed/stressed).
A limerick is a kind of a witty, humorous, or nonsense poem, especially one in five-line anapestic or amphibrachic meter with a strict rhyme scheme (AABBA), which is sometimes obscene with humorous intent
