O (kana)
In Japanese writing, the kana お (hiragana) and オ (katakana) occupy the fifth place, between え and か, in the modern Gojūon (五十音) system of collating kana. In the Iroha, they occupy the 27th, between の and く. In the table at right (ordered by columns, from right to left), お lies in the first column (あ行, "column A") and the fifth row (お段, "row O"). Both represent .
| Form | Rōmaji | Hiragana | Katakana |
|---|---|---|---|
| Normal a/i/u/e/o (あ行 a-gyō) |
O | お | オ |
| Ou Ō |
おう, おぅ おお, おぉ おー, お～ |
オウ, オゥ オオ, オォ オー, オ～ |
Read more about O (kana): Derivation, Variant Forms, Stroke Order, Other Communicative Representations