use Unicode::Normalize;
use Data::Dump;
dd NFD("\N{LATIN SMALL LETTER E WITH ACUTE}"),
   NFD("e\N{COMBINING ACUTE ACCENT}");
dd NFC("\N{LATIN SMALL LETTER E WITH ACUTE}"),
   NFC("e\N{COMBINING ACUTE ACCENT}");
dd NFKD("\N{LATIN SMALL LIGATURE FFI}");
__END__
("e\x{301}", "e\x{301}")
("\xE9", "\xE9")
"ffi"