Index: gc_core/js/char_player.js
==================================================================
--- gc_core/js/char_player.js
+++ gc_core/js/char_player.js
@@ -236,10 +236,12 @@
         ["CT", ["X", "CC"]],
         ["oa", ["oi",]],
         ["OA", ["OI",]],
         ["oi", ["oa", "oie"]],
         ["OI", ["OA", "OIE"]],
+        ["ph", ["f",]],
+        ["PH", ["F",]],
         ["qu", ["q", "cq", "ck", "c", "k"]],
         ["QU", ["Q", "CQ", "CK", "C", "K"]],
         ["ss", ["c", "ç"]],
         ["SS", ["C", "Ç"]],
         ["un", ["ein",]],

Index: gc_core/py/char_player.py
==================================================================
--- gc_core/py/char_player.py
+++ gc_core/py/char_player.py
@@ -228,10 +228,12 @@
     "CT": ("X", "CC"),
     "oa": ("oi",),
     "OA": ("OI",),
     "oi": ("oa", "oie"),
     "OI": ("OA", "OIE"),
+    "ph": ("f",),
+    "PH": ("F",),
     "qu": ("q", "cq", "ck", "c", "k"),
     "QU": ("Q", "CQ", "CK", "C", "K"),
     "ss": ("c", "ç"),
     "SS": ("C", "Ç"),
     "un": ("ein",),