diff --git a/Compose/Makefile b/Compose/Makefile
index 363060ab..224c6c29 100644
--- a/Compose/Makefile
+++ b/Compose/Makefile
@@ -33,7 +33,8 @@ DEMOFILES = \
 	XCompose_enUS_base_math \
 	XCompose_enUS_base_math_greek_lang \
 	XCompose_enUS_base_greek_lang \
-	XCompose_enUS_base_roman
+	XCompose_enUS_base_roman \
+	XCompose_enUS_base_math_greek_lang_cyrillic 
 
 # Hilfsprogramme
 #
diff --git a/Compose/src/greek.module b/Compose/src/greek.module
index 92626cbf..968fb886 100644
--- a/Compose/src/greek.module
+++ b/Compose/src/greek.module
@@ -825,20 +825,41 @@
 
 # ligatures and variants
 <Multi_key> <Greek_SIGMA> <Greek_tau>                                : "Ϛ"   U03DA # GREEK LETTER STIGMA
+<Multi_key> <Greek_SIGMA> <Greek_TAU>                                : "Ϛ"   U03DA # GREEK LETTER STIGMA
 <Multi_key> <Greek_sigma> <Greek_tau>                                : "ϛ"   U03DB # GREEK SMALL LETTER STIGMA
 <Multi_key> <Greek_beta> <Greek_beta>                                : "ϐ"   U03D0 # GREEK BETA SYMBOL
 <Multi_key> <Greek_omega> <Greek_pi>                                 : "ϖ"   U03D6 # GREEK PI SYMBOL
 <Multi_key> <Greek_pi> <Greek_omega>                                 : "ϖ"   U03D6 # GREEK PI SYMBOL
 <dead_stroke> <Greek_rho>                                            : "ϼ"   U03FC # GREEK RHO WITH STROKE SYMBOL
-#<U21BB> <U03F5>                                                      : "϶"   U03F6 # GREEK REVERSED LUNATE EPSILON SYMBOL
+<U21BB> <U03F5>                                                      : "϶"   U03F6 # GREEK REVERSED LUNATE EPSILON SYMBOL
 
 # archaic greek, not supported at the moment
-# Ϟϟ Ϡϡ (ϺϻͰͱͲͳͶͷ)
+# Ϟϟ Ϡϡ (ϺϻͰͱ), Ϲϲ
 <Multi_key> <g> <F>                                                  : "Ϝ"   U03DC # GREEK LETTER DIGAMMA
 <Multi_key> <G> <F>                                                  : "Ϝ"   U03DC # GREEK LETTER DIGAMMA
 <Multi_key> <g> <f>                                                  : "ϝ"   U03DD # GREEK SMALL LETTER DIGAMMA
 <Multi_key> <g> <Q>                                                  : "Ϙ"   U03D8 # GREEK LETTER ARCHAIC KOPPA
 <Multi_key> <G> <Q>                                                  : "Ϙ"   U03D8 # GREEK LETTER ARCHAIC KOPPA
 <Multi_key> <g> <q>                                                  : "ϙ"   U03D9 # GREEK SMALL LETTER ARCHAIC KOPPA
+<Multi_key> <g> <j>                                                  : "ϳ"   U03F3 # GREEK LETTER YOT
+#<Multi_key> <g> <C>                                                  : "Ϲ"   U03F9 # GREEK CAPITAL LUNATE SIGMA SYMBOL
+#<Multi_key> <G> <C>                                                  : "Ϲ"   U03F9 # GREEK CAPITAL LUNATE SIGMA SYMBOL
+#<Multi_key> <g> <c>                                                  : "ϲ"   U03F2 # GREEK LUNATE SIGMA SYMBOL
+
+# not available as letters are not on keyboard, see neo_griechisch
+#<U21BB> <U03F2>                                                      : "ͻ"   U037B # GREEK SMALL REVERSED LUNATE SIGMA SYMBOL
+#<dead_abovedot> <U03F2>                                              : "ͼ"   U037C # GREEK SMALL DOTTED LUNATE SIGMA SYMBOL
+#<dead_abovedot> <U21BB> <U03F2>                                      : "ͽ"   U037D # GREEK SMALL REVERSED DOTTED LUNATE SIGMA SYMBOL
+#<U21BB> <U03F9>                                                      : "Ͻ"   U03FD # GREEK CAPITAL REVERSED LUNATE SIGMA SYMBOL
+#<dead_abovedot> <U03F9>                                              : "Ͼ"   U03FE # GREEK CAPITAL DOTTED LUNATE SIGMA SYMBOL
+#<dead_abovedot> <U21BB> <U03F9>                                      : "Ͽ"   U03FF # GREEK CAPITAL REVERSED DOTTED LUNATE SIGMA SYMBOL
+
+# older/alternative version by ♫··, to be discussed
+#<Multi_key> <U03DE> <U03DE>                                          : "Ϙ"   U03D8 # GREEK LETTER ARCHAIC KOPPA
+#<Multi_key> <U03DF> <U03DF>                                          : "ϙ"   U03D9 # GREEK SMALL LETTER ARCHAIC KOPPA
+#<Multi_key> <U03DC> <U03DC>                                          : "Ͷ"   U0376 # GREEK CAPITAL LETTER PAMPHYLIAN DIGAMMA
+#<Multi_key> <U03DD> <U03DD>                                          : "ͷ"   U0377 # GREEK SMALL LETTER PAMPHYLIAN DIGAMMA
+#<Multi_key> <U03E0> <U03E0>                                          : "Ͳ"   U0372 # GREEK CAPITAL LETTER ARCHAIC SAMPI
+#<Multi_key> <U03E1> <U03E1>                                          : "ͳ"   U0373 # GREEK SMALL LETTER ARCHAIC SAMPI
 
 # End of additional Definitions (greek letters) by Neo keyboard layout
diff --git a/Compose/src/lang.module b/Compose/src/lang.module
index 00904fe3..3056f8e3 100644
--- a/Compose/src/lang.module
+++ b/Compose/src/lang.module
@@ -73,11 +73,14 @@
 <Multi_key> <n> <l>                               : "ɳ" U0273 # LATIN SMALL LETTER N WITH RETROFLEX HOOK
 <Multi_key> <l> <l>                               : "ɭ" U026D # LATIN SMALL LETTER L WITH RETROFLEX HOOK
 <Multi_key> <T> <l>                               : "Ʈ" U01AE # LATIN CAPITAL LETTER T WITH RETROFLEX HOOK
+<Multi_key> <T> <L>                               : "Ʈ" U01AE # LATIN CAPITAL LETTER T WITH RETROFLEX HOOK
 <Multi_key> <t> <l>                               : "ʈ" U0288 # LATIN SMALL LETTER T WITH RETROFLEX HOOK
 <U02DE> <U21BB> <r>                               : "ɻ" U027B # LATIN SMALL LETTER TURNED R WITH HOOK
 <Multi_key> <j> <N>                               : "Ɲ" U019D # LATIN CAPITAL LETTER N WITH LEFT HOOK
+<Multi_key> <J> <N>                               : "Ɲ" U019D # LATIN CAPITAL LETTER N WITH LEFT HOOK
 <Multi_key> <j> <n>                               : "ɲ" U0272 # LATIN SMALL LETTER N WITH LEFT HOOK
 <Multi_key> <D> <l>                               : "Ɖ" U0189 # LATIN CAPITAL LETTER AFRICAN D
+<Multi_key> <D> <L>                               : "Ɖ" U0189 # LATIN CAPITAL LETTER AFRICAN D
 <Multi_key> <d> <l>                               : "ɖ" U0256 # LATIN SMALL LETTER D WITH TAIL
 <Multi_key> <U02DE> <h> <j>                       : "ɧ" U0267 # LATIN SMALL LETTER HENG WITH HOOK
 <Multi_key> <U02DE> <h> <g>                       : "ɧ" U0267 # LATIN SMALL LETTER HENG WITH HOOK
@@ -180,7 +183,6 @@
 <Multi_key> <Greek_alpha> <Greek_alpha>           : "ɑ" U0251 # LATIN SMALL LETTER ALPHA
 <Multi_key> <Greek_epsilon> <Greek_epsilon>       : "ɛ" U025B # LATIN SMALL LETTER OPEN E
 <Multi_key> <Greek_phi> <Greek_phi>               : "ɸ" U0278 # LATIN SMALL LETTER PHI
-<Multi_key> <Greek_PHI> <Greek_PHI>               : "ɸ" U0278 # LATIN SMALL LETTER PHI
 <Multi_key> <U03D5> <U03D5>                       : "ɸ" U0278 # LATIN SMALL LETTER PHI
 <Multi_key> <Greek_upsilon> <Greek_upsilon>       : "ʊ" U028A # LATIN SMALL LETTER UPSILON
 <Multi_key> <3> <3>                               : "ɜ" U025C # LATIN SMALL LETTER REVERSED OPEN E
@@ -450,8 +452,10 @@
 # will be included here with Ꝥꝥ, 
 <dead_stroke> <U017F>                             : "ẜ" U1E9C # LATIN SMALL LETTER LONG S WITH DIAGONAL STROKE
 <Multi_key> <slash> <U017F>                       : "ẜ" U1E9C # LATIN SMALL LETTER LONG S WITH DIAGONAL STROKE
+<Multi_key> <H> <V>                               : "Ƕ" U01F6 # LATIN CAPITAL LETTER HWAIR
 <Multi_key> <H> <v>                               : "Ƕ" U01F6 # LATIN CAPITAL LETTER HWAIR
 <Multi_key> <h> <v>                               : "ƕ" U0195 # LATIN SMALL LETTER HV
+<Multi_key> <W> <Y>                               : "Ƿ" U01F7 # LATIN CAPITAL LETTER WYNN
 <Multi_key> <W> <y>                               : "Ƿ" U01F7 # LATIN CAPITAL LETTER WYNN
 <Multi_key> <w> <y>                               : "ƿ" U01BF # LATIN LETTER WYNN
 <Multi_key> <Y> <G>                               : "Ȝ" U021C # LATIN CAPITAL LETTER YOGH