Ri is one of the Japanese kana, each of which represent one mora. Both are written with two strokes and both represent the sound. Both originate from the character 利. The Ainu language uses a small katakana ㇼ to represent a final r sound after an i sound. The combination of an R-column kana letter with handakuten ゜- り゚ in hiragana, and リ゚ in katakana was introduced to represent [li] in the early 20th century.