62 characters in the NKo Unicode block.
U+07C0NKO DIGIT ZEROU+07C1NKO DIGIT ONEU+07C2NKO DIGIT TWOU+07C3NKO DIGIT THREEU+07C4NKO DIGIT FOURU+07C5NKO DIGIT FIVEU+07C6NKO DIGIT SIXU+07C7NKO DIGIT SEVENU+07C8NKO DIGIT EIGHTU+07C9NKO DIGIT NINEU+07CANKO LETTER AU+07CBNKO LETTER EEU+07CCNKO LETTER IU+07CDNKO LETTER EU+07CENKO LETTER UU+07CFNKO LETTER OOU+07D0NKO LETTER OU+07D1NKO LETTER DAGBASINNAU+07D2NKO LETTER NU+07D3NKO LETTER BAU+07D4NKO LETTER PAU+07D5NKO LETTER TAU+07D6NKO LETTER JAU+07D7NKO LETTER CHAU+07D8NKO LETTER DAU+07D9NKO LETTER RAU+07DANKO LETTER RRAU+07DBNKO LETTER SAU+07DCNKO LETTER GBAU+07DDNKO LETTER FAU+07DENKO LETTER KAU+07DFNKO LETTER LAU+07E0NKO LETTER NA WOLOSOU+07E1NKO LETTER MAU+07E2NKO LETTER NYAU+07E3NKO LETTER NAU+07E4NKO LETTER HAU+07E5NKO LETTER WAU+07E6NKO LETTER YAU+07E7NKO LETTER NYA WOLOSOU+07E8NKO LETTER JONA JAU+07E9NKO LETTER JONA CHAU+07EANKO LETTER JONA RAU+07EBNKO COMBINING SHORT HIGH TONEU+07ECNKO COMBINING SHORT LOW TONEU+07EDNKO COMBINING SHORT RISING TONEU+07EENKO COMBINING LONG DESCENDING TONEU+07EFNKO COMBINING LONG HIGH TONEU+07F0NKO COMBINING LONG LOW TONEU+07F1NKO COMBINING LONG RISING TONEU+07F2NKO COMBINING NASALIZATION MARKU+07F3NKO COMBINING DOUBLE DOT ABOVEU+07F4NKO HIGH TONE APOSTROPHEU+07F5NKO LOW TONE APOSTROPHEU+07F6NKO SYMBOL OO DENNENU+07F7NKO SYMBOL GBAKURUNENU+07F8NKO COMMAU+07F9NKO EXCLAMATION MARKU+07FANKO LAJANYALANU+07FDNKO DANTAYALANU+07FENKO DOROME SIGNU+07FFNKO TAMAN SIGN