diff --git a/wohe.lua b/wohe.lua
new file mode 100644
index 0000000..04f1eee
--- /dev/null
+++ b/wohe.lua
@@ -0,0 +1,54 @@
+local tr = aegisub.gettext
+
+script_name = tr"Nihongo wa muzukashii"
+script_description = tr"Turn your \"o e\"s into \"wo he\"s"
+script_author = "amoethyst"
+script_version = "1.0"
+
+function wohe(subs, sel)
+
+    -- "Unfortunately Lua patterns do not support this, only single characters can be repeated or chosen between, not sub-patterns or strings"
+    -- well, fuck
+    local exprs = {
+        "^(.* {[^}]*})([oe])({[^}]*} .*)$",
+        "^(.* )([oe])({[^}]*} .*)$",
+        "^(.* {[^}]*})([oe])( .*)$",
+        "^(.* )([oe])( .*)$",
+        "^(.* )([oe])()$",
+        "^()([oe])( .*)$",
+        "^()([oe])()$",
+    }
+
+    for _, i in ipairs(sel) do
+        line = subs[i]
+
+        for _, expr in ipairs(exprs) do
+            local before, o_or_e, after = line.text:match(expr)
+            while o_or_e ~= nil do
+                line.text = ""
+
+                if before ~= nil then
+                    line.text = before
+                end
+
+                if o_or_e == "o" then
+                    line.text = line.text .. "wo"
+                else
+                    line.text = line.text .. "he"
+                end
+
+                if after ~= nil then
+                    line.text = line.text .. after
+                end
+
+                before, o_or_e, after = line.text:match(expr)
+            end
+        end
+
+        subs[i] = line
+
+    end
+
+end
+
+aegisub.register_macro(script_name, script_description, wohe)