diff --git a/classes/lca_alt1.fea b/classes/lca_alt1.fea
new file mode 100644
index 00000000..6fc51fd0
--- /dev/null
+++ b/classes/lca_alt1.fea
@@ -0,0 +1 @@
+a.alt01 aacute.alt01 abreve.alt01 acircumflex.alt01 adieresis.alt01 adotbelow.alt01 agrave.alt01 ahook.alt01 amacron.alt01 aogonek.alt01 aring.alt01 aringacute.alt01 atilde.alt01 abreveacute.alt01 abrevedotbelow.alt01 abrevegrave.alt01 abrevehook.alt01 abrevetilde.alt01 acircumflexacute.alt01 acircumflexdotbelow.alt01 acircumflexgrave.alt01 acircumflexhook.alt01 acircumflextilde.alt01
diff --git a/classes/lca_cyrl_alt1.fea b/classes/lca_cyrl_alt1.fea
new file mode 100644
index 00000000..a8be1f2c
--- /dev/null
+++ b/classes/lca_cyrl_alt1.fea
@@ -0,0 +1 @@
+uni0430.alt01 uni04D3.alt01 uni04D1.alt01
diff --git a/classes/lca_cyrl_dflt.fea b/classes/lca_cyrl_dflt.fea
new file mode 100644
index 00000000..e8ce933d
--- /dev/null
+++ b/classes/lca_cyrl_dflt.fea
@@ -0,0 +1 @@
+uni0430 uni04D3 uni04D1
diff --git a/classes/lca_dflt.fea b/classes/lca_dflt.fea
new file mode 100644
index 00000000..f8d4f306
--- /dev/null
+++ b/classes/lca_dflt.fea
@@ -0,0 +1 @@
+a aacute abreve acircumflex adieresis adotbelow agrave ahook amacron aogonek aring aringacute atilde abreveacute abrevedotbelow abrevegrave abrevehook abrevetilde acircumflexacute acircumflexdotbelow acircumflexgrave acircumflexhook acircumflextilde
diff --git a/classes/lcg_alt1.fea b/classes/lcg_alt1.fea
new file mode 100644
index 00000000..00bac295
--- /dev/null
+++ b/classes/lcg_alt1.fea
@@ -0,0 +1 @@
+g.alt01 gbreve.alt01 gcircumflex.alt01 gcommaaccent.alt01 gdotaccent.alt01
diff --git a/classes/lcg_dflt.fea b/classes/lcg_dflt.fea
new file mode 100644
index 00000000..2897a507
--- /dev/null
+++ b/classes/lcg_dflt.fea
@@ -0,0 +1 @@
+g gbreve gcircumflex gcommaaccent gdotaccent
diff --git a/classes/numbers_dflt.fea b/classes/numbers_dflt.fea
new file mode 100644
index 00000000..66217797
--- /dev/null
+++ b/classes/numbers_dflt.fea
@@ -0,0 +1 @@
+zero one two three four five six seven eight nine
diff --git a/classes/numbers_dnom.fea b/classes/numbers_dnom.fea
new file mode 100644
index 00000000..991b41e6
--- /dev/null
+++ b/classes/numbers_dnom.fea
@@ -0,0 +1 @@
+zero.dnom one.dnom two.dnom three.dnom four.dnom five.dnom six.dnom seven.dnom eight.dnom nine.dnom
diff --git a/classes/numbers_numr.fea b/classes/numbers_numr.fea
new file mode 100644
index 00000000..dbde8598
--- /dev/null
+++ b/classes/numbers_numr.fea
@@ -0,0 +1 @@
+zero.numr one.numr two.numr three.numr four.numr five.numr six.numr seven.numr eight.numr nine.numr
diff --git a/classes/numbers_sinf.fea b/classes/numbers_sinf.fea
new file mode 100644
index 00000000..85ac453f
--- /dev/null
+++ b/classes/numbers_sinf.fea
@@ -0,0 +1 @@
+zeroinferior oneinferior twoinferior threeinferior fourinferior fiveinferior sixinferior seveninferior eightinferior nineinferior
diff --git a/classes/numbers_sups.fea b/classes/numbers_sups.fea
new file mode 100644
index 00000000..75a8bee4
--- /dev/null
+++ b/classes/numbers_sups.fea
@@ -0,0 +1 @@
+zerosuperior onesuperior twosuperior threesuperior foursuperior fivesuperior sixsuperior sevensuperior eightsuperior ninesuperior