diff --git a/build.bat b/build.bat
index ddfa804..b771bad 100644
--- a/build.bat
+++ b/build.bat
@@ -1,13 +1,22 @@
 @echo off
 
-del .\original\*.ttx
+del /q .\original\*.ttx
+
 ttx .\original\OperatorMono-Medium.otf
 ttx .\original\OperatorMono-MediumItalic.otf
+ttx .\original\OperatorMonoSSm-Book.otf
+ttx .\original\OperatorMonoSSm-BookItalic.otf
+ttx .\original\OperatorMonoSSm-Medium.otf
+#ttx .\original\OperatorMonoSSm-MediumItalic.otf
 
 if not exist build\* mkdir build
 
 node index.js OperatorMono-Medium
 node index.js OperatorMono-MediumItalic
+node index.js OperatorMonoSSm-Book
+node index.js OperatorMonoSSM-BookItalic
+node index.js OperatorMonoSSm-Medium
+#node index.js OperatorMonoSSm-MediumItalic
 
 del /q .\build\*.otf
 
diff --git a/build.sh b/build.sh
index 06fcc93..3dca557 100755
--- a/build.sh
+++ b/build.sh
@@ -1,15 +1,28 @@
 #!/bin/bash
 
-rm original/*.ttx
+rm -rf original/*.ttx
+
 ttx original/OperatorMono-Medium.otf
 ttx original/OperatorMono-MediumItalic.otf
+ttx original/OperatorMonoSSm-Book.otf
+ttx original/OperatorMonoSSm-BookItalic.otf
+ttx original/OperatorMonoSSm-Medium.otf
+#ttx original/OperatorMonoSSm-MediumItalic.otf
 
 mkdir -p build
 
 node index.js OperatorMono-Medium
 node index.js OperatorMono-MediumItalic
+node index.js OperatorMonoSSm-Book
+node index.js OperatorMonoSSM-BookItalic
+node index.js OperatorMonoSSm-Medium
+#node index.js OperatorMonoSSm-MediumItalic
 
 rm -rf build/*.otf
 
 ttx build/OperatorMonoLig-Medium.ttx
 ttx build/OperatorMonoLig-MediumItalic.ttx
+ttx build/OperatorMonoSSmLig-Book.ttx
+ttx build/OperatorMonoSSmLig-BookItalic.ttx
+ttx build/OperatorMonoSSmLig-Medium.ttx
+#ttx build/OperatorMonoSSmLig-MediumItalic.ttx
diff --git a/extract.bat b/extract.bat
index 28ea853..3613cbb 100644
--- a/extract.bat
+++ b/extract.bat
@@ -1,4 +1,17 @@
 @echo off
 
+del /q .\ligature_source\*.ttx
+
+ttx .\ligature_source\OperatorMonoLig-Medium.otf
+ttx .\ligature_source\OperatorMonoLig-MediumItalic.otf
+ttx .\ligature_source\OperatorMonoSSmLig-Book.otf
+ttx .\ligature_source\OperatorMonoSSmLig-BookItalic.otf
+ttx .\ligature_source\OperatorMonoSSmLig-Medium.otf
+#ttx .\ligature_source\OperatorMonoSSmLig-MediumItalic.otf
+
 node extract.js OperatorMonoLig-Medium
 node extract.js OperatorMonoLig-MediumItalic
+node extract.js OperatorMonoSSmLig-Book
+node extract.js OperatorMonoSSmLig-BookItalic
+node extract.js OperatorMonoSSmLig-Medium
+#node extract.js OperatorMonoSSmLig-MediumItalic
diff --git a/extract.sh b/extract.sh
new file mode 100755
index 0000000..c68b6e9
--- /dev/null
+++ b/extract.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+rm -rf ./ligature_source/*.ttx
+
+ttx ./ligature_source/OperatorMonoLig-Medium.otf
+ttx ./ligature_source/OperatorMonoLig-MediumItalic.otf
+ttx ./ligature_source/OperatorMonoSSmLig-Book.otf
+ttx ./ligature_source/OperatorMonoSSmLig-BookItalic.otf
+ttx ./ligature_source/OperatorMonoSSmLig-Medium.otf
+#ttx ./ligature_source/OperatorMonoSSmLig-MediumItalic.otf
+
+node extract.js OperatorMonoLig-Medium
+node extract.js OperatorMonoLig-MediumItalic
+node extract.js OperatorMonoSSmLig-Book
+node extract.js OperatorMonoSSmLig-BookItalic
+node extract.js OperatorMonoSSmLig-Medium
+#node extract.js OperatorMonoSSmLig-MediumItalic