 ჶ ( fi " phi " ) is used in Laz and Svan , and formerly in Ossetian and Abkhazian . It derives from the Greek letter Φ ( phi ) . 
 ჶ ( fi " phi " ) is used in Laz and Svan , and formerly in Ossetian and Abkhazian . It <a href='uninflect' title='1'><mark>derives</mark></a> from the Greek letter Φ ( phi ) . 
Ჶ ( fi " phi " ) is used in Laz and Svan , and formerly in Ossetian and Abkhazian . It derive from the Greek letter Φ ( phi ) .