"aalt" = "Access All Alternates";
"abvf" = "Above-base Forms";
"abvm" = "Above-base Mark Positioning";
"abvs" = "Above-base Substitutions";
"afrc" = "Alternative Fractions";
"akhn" = "Akhands";
"blwf" = "Below-base Forms";
"blwm" = "Below-base Mark Positioning";
"blws" = "Below-base Substitutions";
"calt" = "Contextual Alternates";
"case" = "Case-Sensitive Forms";
"ccmp" = "Glyph Composition / Decomposition";
"cfar" = "Conjunct Form After Ro";
"cjct" = "Conjunct Forms";
"clig" = "Contextual Ligatures";
"cpct" = "Centered CJK Punctuation";
"cpsp" = "Capital Spacing";
"cswh" = "Contextual Swash";
"curs" = "Cursive Positioning";
"c2pc" = "Petite Capitals From Capitals";
"c2sc" = "Small Capitals From Capitals";
"dist" = "Distances";
"dlig" = "Discretionary Ligatures";
"dnom" = "Denominators";
"expt" = "Expert Forms";
"falt" = "Final Glyph on Line Alternates";
"fin2" = "Terminal Forms #2";
"fin3" = "Terminal Forms #3";
"fina" = "Terminal Forms";
"frac" = "Fractions";
"fwid" = "Full Widths";
"half" = "Half Forms";
"haln" = "Halant Forms";
"halt" = "Alternate Half Widths";
"hist" = "Historical Forms";
"hkna" = "Horizontal Kana Alternates";
"hlig" = "Historical Ligatures";
"hngl" = "Hangul";
"hojo" = "Hojo Kanji Forms";
"hwid" = "Half Widths";
"init" = "Initial Forms";
"isol" = "Isolated Forms";
"ital" = "Italics";
"jalt" = "Justification Alternates";
"jp78" = "JIS78 Forms";
"jp83" = "JIS83 Forms";
"jp90" = "JIS90 Forms";
"jp04" = "JIS2004 Forms";
"kern" = "Kerning";
"lfbd" = "Left Bounds";
"liga" = "Standard Ligatures";
"ljmo" = "Leading Jamo Forms";
"lnum" = "Lining Figures";
"locl" = "Localized Forms";
"ltra" = "Left-to-right alternates";
"ltrm" = "Left-to-right mirrored forms";
"mark" = "Mark Positioning";
"med2" = "Medial Forms #2";
"medi" = "Medial Forms";
"mgrk" = "Mathematical Greek";
"mkmk" = "Mark to Mark Positioning";
"mset" = "Mark Positioning via Substitution";
"nalt" = "Alternate Annotation Forms";
"nlck" = "NLC Kanji Forms";
"nukt" = "Nukta Forms";
"numr" = "Numerators";
"onum" = "Oldstyle Figures";
"opbd" = "Optical Bounds";
"ordn" = "Ordinals";
"ornm" = "Ornaments";
"palt" = "Proportional Alternate Widths";
"pcap" = "Petite Capitals";
"pkna" = "Proportional Kana";
"pnum" = "Proportional Figures";
"pref" = "Pre-Base Forms";
"pres" = "Pre-base Substitutions";
"pstf" = "Post-base Forms";
"psts" = "Post-base Substitutions";
"pwid" = "Proportional Widths";
"qwid" = "Quarter Widths";
"rand" = "Randomize";
"rkrf" = "Rakar Forms";
"rlig" = "Required Ligatures";
"rphf" = "Reph Forms";
"rtbd" = "Right Bounds";
"rtla" = "Right-to-left alternates";
"rtlm" = "Right-to-left mirrored forms";
"ruby" = "Ruby Notation Forms";
"salt" = "Stylistic Alternates";
"sinf" = "Scientific Inferiors";
"size" = "Optical size";
"smcp" = "Small Capitals";
"smpl" = "Simplified Forms";
"ss01" = "Stylistic Set 1";
"ss02" = "Stylistic Set 2";
"ss03" = "Stylistic Set 3";
"ss04" = "Stylistic Set 4";
"ss05" = "Stylistic Set 5";
"ss06" = "Stylistic Set 6";
"ss07" = "Stylistic Set 7";
"ss08" = "Stylistic Set 8";
"ss09" = "Stylistic Set 9";
"ss10" = "Stylistic Set 10";
"ss11" = "Stylistic Set 11";
"ss12" = "Stylistic Set 12";
"ss13" = "Stylistic Set 13";
"ss14" = "Stylistic Set 14";
"ss15" = "Stylistic Set 15";
"ss16" = "Stylistic Set 16";
"ss17" = "Stylistic Set 17";
"ss18" = "Stylistic Set 18";
"ss19" = "Stylistic Set 19";
"ss20" = "Stylistic Set 20";
"subs" = "Subscript";
"sups" = "Superscript";
"swsh" = "Swash";
"titl" = "Titling";
"tjmo" = "Trailing Jamo Forms";
"tnam" = "Traditional Name Forms";
"tnum" = "Tabular Figures";
"trad" = "Traditional Forms";
"twid" = "Third Widths";
"unic" = "Unicase";
"valt" = "Alternate Vertical Metrics";
"vatu" = "Vattu Variants";
"vert" = "Vertical Writing";
"vhal" = "Alternate Vertical Half Metrics";
"vjmo" = "Vowel Jamo Forms";
"vkna" = "Vertical Kana Alternates";
"vkrn" = "Vertical Kerning";
"vpal" = "Proportional Alternate Vertical Metrics";
"vrt2" = "Vertical Alternates and Rotation";
"zero" = "Slashed Zero";