1 files changed, 6 insertions, 2 deletions

diff --git a/arabluatex_trans.lua b/arabluatex_trans.lua
index b29ae37..c420f6f 100644
--- a/arabluatex_trans.lua
+++ b/arabluatex_trans.lua
@@ -262,8 +262,8 @@ trigraphstrdmg = { -- trigraphs or more
 idghamtrdmg = {
    -- assimilations
    {a="(n)(}?)(%s)([rlmnwy])", b="%4%2%3%4"},
-   {a="(n)(o)([rlmnwy])([%S]-o)", b="%3"}
-} 
+   {a="(n)(}?)(o)([rlmnwy])([%S]-o)", b="%4%2"}
+}
 
 digraphstrdmg = {
    {a="([uai]%-)(\"?[uai])", b="%1'"}, -- hyphen + initial alif without hamza
@@ -276,6 +276,10 @@ digraphstrdmg = {
    {a="(%W)(\"?[uai])", b="%1%2"},      -- initial alif without hamza
    -- this is not necessary, take out for now:
 -- {a="([%_]?[uaiUAIY])(%s)([uai])", b="%1%2'"}, -- initial alif without hamza
+   {a="(aw)(o)(\"?[uai])([%S]-o)", b="%1u"},
+   {a="(aw)(%s)([%(%[%|%<]?)(\"?[uai])", b="%1u%2%3'"}, --p
+   {a="(ay)(o)(\"?[uai])([%S]-o)", b="%1i"},
+   {a="(ay)(%s)([%(%[%|%<]?)(\"?[uai])", b="%1i%2%3'"}, --p
    {a="(aW)(o)(\"?[uai])([%S]-o)", b="awu"},
    {a="(UA)(o)(\"?[uai])([%S]-o)", b="u"},
    {a="(%_A)(o)(\"?[uai])([%S]-o)", b="ạ"},