diff --git a/src/a.ts b/src/a.ts
index 34772ca..47c5e08 100644
--- a/src/a.ts
+++ b/src/a.ts
@@ -4,5 +4,20 @@ export const APattern = [
     /^e[uw]/i,
     /^onc?e\b/i,
     /^uni([^nmd]|mo)/i,
-    /^u[bcfhjkqrst][aeiou]/i
+    /^u[bcfhjkqrst][aeiou]/i,
+    "MBA",
+    "MA",
+    "MRI",
+    "MS",
+    "MTV",
+    "SGML",
+    "SOS",
+    "SMS",
+    "XML",
+    "SUV",
+    "STD",
+    "SPF",
+    "HB",
+    "RAF",
+    "IOU"
 ];
diff --git a/src/an.ts b/src/an.ts
index c2627df..cc5524b 100644
--- a/src/an.ts
+++ b/src/an.ts
@@ -10,5 +10,23 @@ export const AnPatterns = [
     /^honest/i,
     /^hono/i,
     /^8$/,
-    /^11$/
+    /^11$/,
+    // special
+    "FAQ",
+    "MBA",
+    "MA",
+    "MRI",
+    "MS",
+    "MTV",
+    "SGML",
+    "SOS",
+    "SQL",
+    "SMS",
+    "XML",
+    "SUV",
+    "STD",
+    "SPF",
+    "HB",
+    "RAF",
+    "IOU"
 ];
diff --git a/src/english-article-classifier.ts b/src/english-article-classifier.ts
index 44179f4..7c85c62 100644
--- a/src/english-article-classifier.ts
+++ b/src/english-article-classifier.ts
@@ -12,6 +12,14 @@ export interface classifyArticleOptions {
     forceAn?: string[];
 }
 
+const testWord = (text: string, pattern: string | RegExp): boolean => {
+    if (typeof pattern === "string") {
+        return text === pattern;
+    } else {
+        return pattern.test(text);
+    }
+};
+
 export function classifyArticle(phrase: string, options?: classifyArticleOptions): ReturnClassifyArticle {
     // Getting the first word
     const match = /[\w.-]+/.exec(phrase);
@@ -52,7 +60,7 @@ export function classifyArticle(phrase: string, options?: classifyArticleOptions
     const specialAnCaseWords = AnPatterns;
     for (let i = 0; i < specialAnCaseWords.length; i++) {
         const specialAnCaseWordPattern = specialAnCaseWords[i];
-        if (specialAnCaseWordPattern.test(word)) {
+        if (testWord(word, specialAnCaseWordPattern)) {
             return {
                 type: "an",
                 reason: "Specific start of words that should be proceeded by 'an'"
@@ -78,7 +86,7 @@ export function classifyArticle(phrase: string, options?: classifyArticleOptions
     const specialACasePattern = APattern;
     for (let i = 0; i < specialACasePattern.length; i++) {
         const specialACaseWordPattern = specialACasePattern[i];
-        if (specialACaseWordPattern.test(word)) {
+        if (testWord(word, specialACaseWordPattern)) {
             return {
                 type: "a",
                 reason: "Special cases where a word that begins with a vowel should be proceeded by 'a'"
diff --git a/test/fixtures/A.txt b/test/fixtures/A.txt
index 8b3dd53..3f82243 100644
--- a/test/fixtures/A.txt
+++ b/test/fixtures/A.txt
@@ -127,4 +127,5 @@ Ph.D.
 X-ray
 Y-shaped pipe
 UFO
-UNESCO representative
\ No newline at end of file
+UNESCO representative
+# special words
\ No newline at end of file
diff --git a/test/fixtures/An.txt b/test/fixtures/An.txt
index 0a57dde..94bb1b1 100644
--- a/test/fixtures/An.txt
+++ b/test/fixtures/An.txt
@@ -74,4 +74,8 @@ yblent eye
 yclad body
 ypsiliform junction
 yttrium atom
-U-boat
\ No newline at end of file
+U-boat
+# special word
+MTV channel
+FAQ
+SQL
\ No newline at end of file
diff --git a/test/fixtures/Unknown.txt b/test/fixtures/Unknown.txt
index 3d293bc..9622b70 100644
--- a/test/fixtures/Unknown.txt
+++ b/test/fixtures/Unknown.txt
@@ -9,7 +9,6 @@ D.S.M.
 DINNER
 DNR
 FACT
-FAQ
 GOD
 GSM phone
 HAL 9000
@@ -41,7 +40,6 @@ FSM
 L.E.D.
 LCD
 M.I.A.
-MTV channel
 N.C.O.
 NCO
 O.K.