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In the Japanese language, the gojūon (五十音, Japanese pronunciation: [ɡo(d)ʑɯꜜːoɴ], lit. "fifty sounds") is a traditional system ordering kana characters by their component phonemes, roughly analogous to alphabetical order. The "fifty" (gojū) in its name refers to the 5×10 grid in which the characters are displayed. Each kana, which may be a hiragana or katakana character, corresponds to one sound in Japanese. As depicted at the right using hiragana characters, the sequence begins with あ (a), い (i), う (u), え (e), お (o), then continues with か (ka), き (ki), く (ku), け (ke), こ (ko), and so on and so forth for a total of ten rows of five columns. Although nominally containing 50 characters, the grid is not completely filled, and, further, there is an extra character added outside the grid at the end: with 5 gaps and 1 extra character, the current number of distinct kana in a syllabic chart in modern Japanese is therefore 46. Some of these gaps have always existed as gaps in sound: there was no yi or wu even in Old Japanese, with the kana for i and u doubling up for those phantom values. Ye persisted long enough for kana to be developed for it, but disappeared in Early Middle Japanese, having merged with e. Much later, with the spelling reforms after World War II, the kana for wi and we were replaced with i and e, the sounds they had merged with. The kana for syllabic n (hiragana ん) is not part of the grid, as it was introduced long after the gojūon ordering was devised. (Previously mu (hiragana む) was used for this sound.) The gojūon contains all the basic kana, but it does not include: versions of kana with a dakuten such as が (ga) or だ (da), or kana with handakuten such as ぱ (pa) or ぷ (pu), smaller kana (sutegana), such as the sokuon (っ) or in the yōon (ゃ,ゅ,ょ). The gojūon order is the prevalent system for collating Japanese in Japan. For example, dictionaries are ordered using this method. Other systems used are the iroha ordering, and, for kanji, the radical ordering. History The gojūon arrangement is thought to have been influenced by both the Siddham script used for writing Sanskrit and the Chinese fanqie system. The monk Kūkai introduced the Siddhaṃ script to Japan in 806 on his return from China. Belonging to the Brahmic family of scripts, the Sanskrit ordering of letters was used for it. Buddhist monks who invented katakana chose to use the word order of Sanskrit and Siddham, since important Buddhist writings were written with those alphabets. In an unusual set of events, although it uses Sanskrit organization (grid, with order of consonants and vowels), it also uses the Chinese order of writing (in columns, right-to-left). The order of consonants and vowels, and the grid layout, originates in Sanskrit shiksha (śikṣā, Hindu phonetics and phonology), and Brāhmī script, as reflected throughout the Brahmic family of scripts. Specifically, the consonants are ordered from the back to the front of the mouth (velar to labial). The Sanskrit was written left-to-right, with vowels changing in rows, not columns; writing the grid vertically follows Chinese writing convention. Discrepancies There are three ways in which the grid does not exactly accord with Sanskrit ordering of Modern Japanese; that is because the grid is based on Old Japanese, and some sounds have changed in the interim. s/さ What is now s/さ was previously pronounced either [ts] or [s], hence its location corresponding to Sanskrit /t͡ʃ/; in Sanskrit /s/ appears towards the end of the list. h/は Kana starting with h (e.g. は), b (e.g. ば) and p (e.g. ぱ) are placed where p/b are in Sanskrit (in Sanskrit, h is at the end) and the diacritics do not follow the usual pattern: p/b (as in Sanskrit) is the usual unvoiced/voiced pattern, and [h] has different articulation. This is because /h/ was previously [p], and pronouncing /h/ as [h] is recent. (More detail at Old Japanese: Consonants; in brief: prior to Old Japanese, modern /h/ was presumably [p], as in Ryukyuan languages. Proto-Japanese is believed to have split into Old Japanese and the Ryukyuan languages in the Yamato period (250–710). In Old Japanese (from 9th century) and on to the 17th century, /h/ was pronounced [ɸ]. The earliest evidence was from 842, by the monk Ennin, writing in the Zaitōki that Sanskrit /p/ is more labial than Japanese. The Portuguese later transcribed the は-row as fa/fi/fu/fe/fo.) n/ん Syllable-final n (ん) was not present in Old Japanese (it developed following Chinese borrowings), does not fit with other characters due to having no vowel, and thus is attached at the end of the grid, as in Sanskrit treatment of miscellaneous characters. Examples The earliest example of a gojūon-style layout dates from a manuscript known as Kujakukyō Ongi (孔雀経音義) dated c. 1004–1028. In contrast, the earliest example of the alternative iroha ordering is from the 1079 text Konkōmyō Saishōōkyō Ongi (金光明最勝王経音義). Gojūon ordering was first used for a dictionary in the 1484 Onkochishinsho (温故知新書); following this use, gojūon and iroha were both used for a time, but today gojūon is more prevalent. Today the gojūon system forms the basis of input methods for Japanese mobile phones – each key corresponds to a column in the gojūon, while the number of presses determines the row. For example, the '2' button corresponds to the ka-column (ka, ki, ku, ke, ko), and the button is pressed repeatedly to get the intended kana. Table This table uses the vertical system of Japanese writing, and should be read from the top down, starting from the rightmost column, then to the left. In each entry, the top entry is the hiragana, the second entry is the corresponding katakana, the third entry is the Hepburn romanization of the kana, and the fourth entry is the pronunciation written in the International Phonetic Alphabet (IPA). Please see Japanese phonology for more details on the individual sounds. The rows are referred to as dan (段), and the columns as gyō (行). They are named for their first entry, thus the rows are (top to bottom) あ段、い段、う段、え段、お段 while the columns are (right to left) あ行、か行、さ行、た行、な行、は行、ま行、や行、ら行、わ行. These are sometimes written in katakana, such as ア行, and conspicuously used when referring to Japanese verb conjugation – for example, the verb yomu (読む, "read") is of ma-gyō go-dan katsuyō (マ行五段活用, "ma-column 5-class conjugation") type. Ordering of variant kana In the ordering based on the gojūon, smaller versions of kana are treated in the same way as full-size versions: The sokuon, the small kana tsu, is ordered at the same position as the large tsu. When the words are otherwise identical, it goes after them. For example, まつ,　まったく,　まつば,　まとう　(matsu, mattaku, matsuba, matou) Yōon sounds are ordered in the same positions as the full-sized sounds. When the words are otherwise identical, they collate after them. For example, きや,　きゃ,　きやく,　きゃく,　きゆ　(kiya, kya, kiyaku, kyaku, kiyu). Voiced versions (those with a dakuten) are classified under their unvoiced.... Discover the Kenneth G Henshall Tetsuo Takagaki popular books. Find the top 100 most popular Kenneth G Henshall Tetsuo Takagaki books.