1 aalt Access All Alternates
2 ccmp Glyph Composition/Decomposition
4 dlig Discretionary Ligatures
6 halt Alternate Half Widths
8 liga Standard Ligatures
9 nalt Alternate Annotation Forms
10 pwid Proportional Widths
12 vhal Alternate Vertical Half Metrics
13 vrt2 Vertical Alternates and Rotation