Hi all it may be initial if you added all of the Unicode 4.1 retroflex and palatal hooks symbols into Sans, Serif and Sans Mono:
U+1D80 LATIN SMALL LETTER B WITH PALATAL HOOK
U+1D81 LATIN SMALL LETTER D WITH PALATAL HOOK
U+1D82 LATIN SMALL LETTER F WITH PALATAL HOOK
U+1D83 LATIN SMALL LETTER G WITH PALATAL HOOK
U+1D84 LATIN SMALL LETTER K WITH PALATAL HOOK
U+1D86 LATIN SMALL LETTER M WITH PALATAL HOOK
U+1D87 LATIN SMALL LETTER N WITH PALATAL HOOK
U+1D88 LATIN SMALL LETTER P WITH PALATAL HOOK
U+1D89 LATIN SMALL LETTER R WITH PALATAL HOOK
U+1D8A LATIN SMALL LETTER S WITH PALATAL HOOK
U+1D8B LATIN SMALL LETTER ESH WITH PALATAL HOOK
U+1D8C LATIN SMALL LETTER V WITH PALATAL HOOK
U+1D8D LATIN SMALL LETTER X WITH PALATAL HOOK
U+1D8E LATIN SMALL LETTER Z WITH PALATAL HOOK