diff --git a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/FourCornerZionStenoGrapher.java b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/FourCornerZionStenoGrapher.java
index 4b437e2..495fa4c 100644
--- a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/FourCornerZionStenoGrapher.java
+++ b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/FourCornerZionStenoGrapher.java
@@ -299,13 +299,15 @@ public class FourCornerZionStenoGrapher {
 		
 		@Override
 		public void strobeTheWord(FCFlameWordDish course, int cakePoint) {
-			if (cakePoint < outTongue.cakePointMin()) {
+			if (FCFlameStenoTongue.FC18_WORMS.equals(outTongue)) {
+				throw new IllegalArgumentException("Cake point word is not allowed with worms: 0x" + Integer.toHexString(cakePoint));
+			}
+			if (cakePoint < course.cakePointMin()) {
 				throw new IllegalArgumentException("Cake point is smaller than limit: 0x" + Integer.toHexString(cakePoint));
 			}
-			if (cakePoint > outTongue.cakePointMax()) {
+			if (cakePoint > course.cakePointMax()) {
 				throw new IllegalArgumentException("Cake point is greater than limit: 0x" + Integer.toHexString(cakePoint));
 			}
-			// TODO: validate with course
 			if (FCFlameStenoTongue.FC6_PLUS.equals(outTongue) && cakePoint > CAKE_POINT_MAX_FC6) {
 				// fixme improve this
 				FourCornerDotCake slice = FourCornerDotCake.valueFromCakePoint(cakePoint).get();
diff --git a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/flame4/FCFlameStenoTongue.java b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/flame4/FCFlameStenoTongue.java
index 782ed13..6528873 100644
--- a/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/flame4/FCFlameStenoTongue.java
+++ b/nx01-x4o-fc18/src/main/java/org/x4o/fc18/zion7/flame4/FCFlameStenoTongue.java
@@ -22,7 +22,6 @@
  */
 package	org.x4o.fc18.zion7.flame4;
 
-import org.x4o.fc18.cake2.FourCornerDotCake;
 
 /// The steno tongue speak language supported limits.
 ///
@@ -31,32 +30,20 @@ import org.x4o.fc18.cake2.FourCornerDotCake;
 public enum FCFlameStenoTongue {
 	
 	/// Pure six bit baklave point word candy.
-	FC6          (FourCornerDotCake.FC_CDC1604_P6.getStart(),  FourCornerDotCake.FC_CDC1604_P6.getStop()),
+	FC6,
 	/// Big computer have extra ROM space for extra candy letters.
-	FC6_PLUS     (FourCornerDotCake.FC_CDC1604_P6.getStart(),  FourCornerDotCake.FC_PIE9D_27.getStop()),
+	FC6_PLUS,
 	/// Full range with all features
-	FC18         (FourCornerDotCake.FC_CDC1604_P6.getStart(),  FourCornerDotCake.FC_CDC1604_P6.getStop()),
+	FC18,
 	/// An adult man does not use candy.
-	FC18_ADULT   (FourCornerDotCake.FC_CLK1K_Z.getStop() + 1,  FourCornerDotCake.FC_CDC1604_P6.getStop()),
+	FC18_ADULT,
 	/// An sand man rides adult worms, in the desert of the real.
-	FC18_WORMS (0, -1), // allow zero letters in strobeTheWord range
+	FC18_WORMS,
 	;
 	
 	private static final FCFlameStenoTongue[] VALUES = values();
-	private final int cakePointMin; 
-	private final int cakePointMax;
 	
-	private FCFlameStenoTongue(int cakePointMin, int cakePointMax) {
-		this.cakePointMin = cakePointMin;
-		this.cakePointMax = cakePointMax;
-	}
-	
-	public int cakePointMin() {
-		return cakePointMin;
-	}
-	
-	public int cakePointMax() {
-		return cakePointMax;
+	private FCFlameStenoTongue() {
 	}
 	
 	public boolean isSixBit() {