| oconcat | Wumpus.Basic.Graphic.Base, Wumpus.Basic.Graphic |
| odiamondTip | Wumpus.Basic.Arrows.Tips, Wumpus.Basic.Arrows |
| odiskTip | Wumpus.Basic.Arrows.Tips, Wumpus.Basic.Arrows |
| old_lace | Wumpus.Basic.Colour.SVGColours |
| olive | Wumpus.Basic.Colour.SVGColours |
| olive_drab | Wumpus.Basic.Colour.SVGColours |
| olive_drab1 | Wumpus.Basic.Colour.X11Colours |
| olive_drab2 | Wumpus.Basic.Colour.X11Colours |
| olive_drab3 | Wumpus.Basic.Colour.X11Colours |
| olive_drab4 | Wumpus.Basic.Colour.X11Colours |
| omega | Wumpus.Basic.Text.LRSymbol |
| omega1 | Wumpus.Basic.Text.LRSymbol |
| omicron | Wumpus.Basic.Text.LRSymbol |
| one | Wumpus.Basic.Text.LRSymbol |
| openStroke | Wumpus.Basic.Graphic.PrimGraphic, Wumpus.Basic.Graphic |
| OPlus | Wumpus.Basic.Graphic.Base, Wumpus.Basic.Graphic |
| oplus | Wumpus.Basic.Graphic.Base, Wumpus.Basic.Graphic |
| orange | Wumpus.Basic.Colour.SVGColours |
| orange1 | Wumpus.Basic.Colour.X11Colours |
| orange2 | Wumpus.Basic.Colour.X11Colours |
| orange3 | Wumpus.Basic.Colour.X11Colours |
| orange4 | Wumpus.Basic.Colour.X11Colours |
| orange_red | Wumpus.Basic.Colour.SVGColours |
| orange_red1 | Wumpus.Basic.Colour.X11Colours |
| orange_red2 | Wumpus.Basic.Colour.X11Colours |
| orange_red3 | Wumpus.Basic.Colour.X11Colours |
| orange_red4 | Wumpus.Basic.Colour.X11Colours |
| orchid | Wumpus.Basic.Colour.SVGColours |
| orchid1 | Wumpus.Basic.Colour.X11Colours |
| orchid2 | Wumpus.Basic.Colour.X11Colours |
| orchid3 | Wumpus.Basic.Colour.X11Colours |
| orchid4 | Wumpus.Basic.Colour.X11Colours |
| orevtri45 | Wumpus.Basic.Arrows.Tips, Wumpus.Basic.Arrows |
| orevtri60 | Wumpus.Basic.Arrows.Tips, Wumpus.Basic.Arrows |
| orevtri90 | Wumpus.Basic.Arrows.Tips, Wumpus.Basic.Arrows |
| osquareTip | Wumpus.Basic.Arrows.Tips, Wumpus.Basic.Arrows |
| otri45 | Wumpus.Basic.Arrows.Tips, Wumpus.Basic.Arrows |
| otri60 | Wumpus.Basic.Arrows.Tips, Wumpus.Basic.Arrows |
| otri90 | Wumpus.Basic.Arrows.Tips, Wumpus.Basic.Arrows |
| over | Wumpus.Basic.PictureLanguage |