dodoitsu

(from the article `literature`) ...For the Japanese, the tanka is a `long poem`: in its common form it has 31 syllables; the sedka has 38; the dodoitsu, imitating folk song, has 26. ...
Found on http://www.britannica.com/eb/a-z/d/61

Dodoitsu

Dodoitsu (都々逸) is a form of Japanese poetry developed towards the end of the Edo Period. Often concerning love or work, and usually comical, Dodoitsu poems consist of four lines with the syllabic structure 7-7-7-5 and no rhyme. ...
Found on http://en.wikipedia.org/wiki/Dodoitsu
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