Humor is often used in couplets. This type of poetry always has four lines and rhymes in one of four ways. Poets use letters to show the pattern of rhyme. The poem is developed from the beginning letter on each line. Haiku is a Japanese poem with no rhyme.
Haiku poems have only three lines, each with a certain number of syllables.
Lantern poems are written in the shape of Japanese lanterns. Their shape is formed by using five lines, each with a different number of syllables. Tanka is another form of Japanese poetry that depends on the number of lines and syllables instead of rhyme. Cinquain is a form of poetry that has a total of five lines. The lines depend on parts of speech and syllables rather than rhyme.