icu4c/source/data/unit/su.txt

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
su{
    durationUnits{
        hm{"h.mm"}
        hms{"h.mm.ss"}
        ms{"m.ss"}
    }
}