Index - O
| octDigit | Data.CharSet.Common |
| ogham | Data.CharSet.Unicode.Block |
| openPunctuation | Data.CharSet.Unicode.Category |
| opticalCharacterRecognition | Data.CharSet.Unicode.Block |
| oriya | Data.CharSet.Unicode.Block |
| other | Data.CharSet.Unicode.Category |
| otherLetter | Data.CharSet.Unicode.Category |
| otherNumber | Data.CharSet.Unicode.Category |
| otherPunctuation | Data.CharSet.Unicode.Category |
| otherSymbol | Data.CharSet.Unicode.Category |
| overlaps | Data.CharSet |