public static void doAnagram(int newSize) {
        if (newSize==1)return;
        for (int i=0;i<newSize;++i){
            doAnagram(newSize-1);
            if (newSize==2)
                displayWord();
            rotate(newSize);
        }
    }

    public static void rotate(int newSize) {
        int positon=size-newSize;
        char temp=arrChar[positon];
        int j;
        for (j=positon+1;j<size;++j)
            arrChar[j-1]=arrChar[j];
        arrChar[j-1]=temp;
    }