[lifthrasiir]

Unfortunately there are lots of OpenType features without a good representative name.

http://en.wikipedia.org/wiki/List_of_typographic_features

As thristian points out, font-feature-settings should be a last resort for rarely-used features without a separate syntax. It is not meant to set all features down.

[hessenwolf]

So make one up, but there's no excuse for 4-letter abbreviations replacing six-letter words.