diff --git a/src/config.rs b/src/config.rs
index a40a2d7..9e62f64 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -23,6 +23,7 @@ pub struct ConfigStore {
     macro_table: BTreeMap<String, String>,
     is_auto_toggle_enabled: bool,
     is_gox_mode_enabled: bool,
+    allowed_words: Vec<String>,
 }
 
 fn parse_vec_string(line: String) -> Vec<String> {
@@ -63,6 +64,12 @@ impl ConfigStore {
         writeln!(file, "{} = {}", TYPING_METHOD_CONFIG_KEY, self.method)?;
         writeln!(file, "{} = {}", VN_APPS_CONFIG_KEY, self.vn_apps.join(","))?;
         writeln!(file, "{} = {}", EN_APPS_CONFIG_KEY, self.en_apps.join(","))?;
+        writeln!(
+            file,
+            "{} = {}",
+            ALLOWED_WORDS_CONFIG_KEY,
+            self.allowed_words.join(",")
+        )?;
         writeln!(
             file,
             "{} = {}",
@@ -94,6 +101,7 @@ impl ConfigStore {
             macro_table: BTreeMap::new(),
             is_auto_toggle_enabled: false,
             is_gox_mode_enabled: false,
+            allowed_words: vec!["đc".to_string()],
         };
 
         let config_path = ConfigStore::get_config_path();
@@ -107,6 +115,9 @@ impl ConfigStore {
                         TYPING_METHOD_CONFIG_KEY => config.method = right.to_string(),
                         VN_APPS_CONFIG_KEY => config.vn_apps = parse_vec_string(right.to_string()),
                         EN_APPS_CONFIG_KEY => config.en_apps = parse_vec_string(right.to_string()),
+                        ALLOWED_WORDS_CONFIG_KEY => {
+                            config.allowed_words = parse_vec_string(right.to_string())
+                        }
                         AUTOS_TOGGLE_ENABLED_CONFIG_KEY => {
                             config.is_auto_toggle_enabled = matches!(right.trim(), "true")
                         }
@@ -176,6 +187,10 @@ impl ConfigStore {
         self.save();
     }
 
+    pub fn is_allowed_word(&self, word: &str) -> bool {
+        self.allowed_words.contains(&word.to_string())
+    }
+
     pub fn is_auto_toggle_enabled(&self) -> bool {
         self.is_auto_toggle_enabled
     }
@@ -231,3 +246,4 @@ const MACRO_ENABLED_CONFIG_KEY: &str = "is_macro_enabled";
 const AUTOS_TOGGLE_ENABLED_CONFIG_KEY: &str = "is_auto_toggle_enabled";
 const MACROS_CONFIG_KEY: &str = "macros";
 const GOX_MODE_CONFIG_KEY: &str = "is_gox_mode_enabled";
+const ALLOWED_WORDS_CONFIG_KEY: &str = "allowed_words";
diff --git a/src/input.rs b/src/input.rs
index 6d35259..e20be84 100644
--- a/src/input.rs
+++ b/src/input.rs
@@ -467,4 +467,9 @@ impl InputState {
     pub fn save_previous_modifiers(&mut self, modifiers: KeyModifier) {
         self.previous_modifiers = modifiers;
     }
+
+    pub fn is_allowed_word(&self, word: &str) -> bool {
+        let config = CONFIG_MANAGER.lock().unwrap();
+        return config.is_allowed_word(word);
+    }
 }
diff --git a/src/main.rs b/src/main.rs
index 354526e..272dc36 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -54,6 +54,11 @@ fn do_transform_keys(handle: Handle, is_delete: bool) -> bool {
 
 fn do_restore_word(handle: Handle) {
     unsafe {
+        println!(
+            "Restoring. Remove typed: {} - Send original: {}",
+            INPUT_STATE.get_displaying_word(),
+            INPUT_STATE.get_typing_buffer()
+        );
         let backspace_count = INPUT_STATE.get_backspace_count(true);
         debug!("Backspace count: {}", backspace_count);
         _ = send_backspace(handle, backspace_count);
@@ -152,10 +157,12 @@ fn event_handler(
                                     let is_valid_word = vi::validation::is_valid_word(
                                         INPUT_STATE.get_displaying_word(),
                                     );
+                                    let is_allowed_word = INPUT_STATE
+                                        .is_allowed_word(INPUT_STATE.get_displaying_word());
                                     let is_transformed_word = !INPUT_STATE
                                         .get_typing_buffer()
                                         .eq(INPUT_STATE.get_displaying_word());
-                                    if is_transformed_word && !is_valid_word {
+                                    if is_transformed_word && !is_valid_word && !is_allowed_word {
                                         do_restore_word(handle);
                                     }