aalt Access All Alternates afrc Alternative Fractions ccmp Glyph Composition/Decomposition dlig Discretionary Ligatures dnom Denominators expt Expert Forms frac Fractions fwid Full Widths halt Alternate Half Widths hkna Horizontal Kana Alternates hojo hwid Half Widths ital Italics jp78 JIS78 Forms jp83 JIS83 Forms jp90 JIS90 Forms kern Kerning liga Standard Ligatures nalt Alternate Annotation Forms nlck NLC Kanji Forms numr Numerators palt Proportional Alternate Widths pkna pwid Proportional Widths qwid Quarter Widths ruby Ruby Notation Forms sinf Scientific Inferiors subs Subscript sups Superscript trad Traditional Forms twid Third Widths vert Vertical Writing vhal Alternate Vertical Half Metrics vkna Vertical Kana Alternates vkrn Vertical Kerning vpal Proportional Alternate Vertical Metrics vrt2 Vertical Alternates and Rotation zero Slashed Zero