-<dead_grave> <t> : "þ" thorn #small letter thorn
-<dead_grave> <T> : "Þ" THORN #capital letter thorn
-
+<dead_grave> <e> : "ȅ" U0205 # e with double grave
+<dead_grave> <E> : "Ȅ" U0204 # E with double grave
+<dead_grave> <i> : "ȉ" U0209 # i with double grave
+<dead_grave> <I> : "Ȉ" U0208 # I with double grave
+<dead_grave> <o> : "ȍ" U020D # o with double grave
+<dead_grave> <O> : "Ȍ" U020C # O with double grave
+<dead_grave> <r> : "ȑ" U0211 # r with double grave
+<dead_grave> <R> : "Ȑ" U0210 # R with double grave
+<dead_grave> <t> : "þ" thorn # small letter thorn
+<dead_grave> <T> : "Þ" THORN # capital letter thorn
+<dead_grave> <u> : "ȕ" U0215 # u with double grave
+<dead_grave> <U> : "Ȕ" U0214 # U with double grave
+
+<dead_tilde> <l> : "ɫ" U026B # l with middle tilde
+<dead_tilde> <L> : "Ɫ" U2C62 # L with middle tilde