Haiku the 5-7-5 pattern. Although the word ""on"" is sometimes translated as "syllable", one "on" is counted for a short syllable, two for an elongated vowel or doubled consonant, and one for an "n" at the end of a syllable. Thus, the word "haibun", though counted as two syllables in English, is counted as four "on" in Japanese (ha-i-bu-n); and the word ""on"" itself, which English-speakers would view as a single syllable, comprises two "on": the short vowel o and the . This is illustrated by the Issa haiku below, which contains 17 "on" but only 15 syllables. Conversely, some sounds,
Haiku the colloquialism of the language and is closest to natural conversational rhythm, necessary to carry the weight of the hokku A haiku traditionally contains a "kigo", a word or phrase that symbolizes or implies the season of the poem and which is drawn from a "saijiki", an extensive but prescriptive list of such words. Kigo are often in the form of metonyms and can be difficult for those who lack Japanese cultural references to spot. The Bashō examples below include "kawazu", "frog" implying spring, and "shigure", a rain shower in late autumn or early winter. Kigo are not always included