 For instance "up" is represented by ウㇷ゚ (ウプ ["u" followed by small "pu"]).Ainu also uses three handakuten modified katakana, セ゚ ([tse]), and ツ゚ or ト゚ ([tu̜]).In Unicode, the Katakana Phonetic Extensions block (U+31F0–U+31FF) exists for Ainu language support.