1 files changed, 4 insertions, 3 deletions

diff --git a/arabluatex_fullvoc.lua b/arabluatex_fullvoc.lua
index b0e00d4..1129911 100644
--- a/arabluatex_fullvoc.lua
+++ b/arabluatex_fullvoc.lua
@@ -171,9 +171,10 @@ trigraphsfv = { -- trigraphs or more
 
 -- this is new
 digraphsfv = {
-   {a="(%-)([uai])", b="%1ٱ"}, -- hyphen + initial alif without hamza
-   {a="^([uai])", b="ٱ"},      -- initial alif without hamza
-   {a="(%s)([uai])", b="%1ٱ"}, -- initial alif without hamza
+   {a="([uai]%-)([uai])", b="%1ٱ"}, -- hyphen + initial alif without hamza
+   {a="([%_]?[uaiUAIY])(%s)([uai])", b="%1%2ٱ"}, -- initial alif without hamza
+   {a="^([uai])", b="ا%1"},      -- initial alif without hamza
+   {a="(%s)([uai])", b="%1ا%2"}, -- initial alif without hamza
    {a="%-%-", b="ـ"},
    {a="ؤؤ", b="ؤّ"},
    {a="أأ", b="أّ"},