struct Letters  // use Letters as typedef
{
  int bMatrix[8][4];
};

Letters Letter[26] =
{
  { // Letter A
    { 
      {0,1,1,0},
      {1,0,0,1},
      {1,0,0,1},
      {1,1,1,1},
      {1,0,0,1},
      {1,0,0,1},
      {1,0,0,1},
      {1,0,0,1}, 
    },
  },
  { // Letter B
    {
      {1,1,1,0},
      {1,0,0,1},
      {1,0,0,1},
      {1,1,1,0},
      {1,0,0,1},
      {1,0,0,1},
      {1,0,0,1},
      {1,1,1,1},
    },
  },
};

void setup()
{
  Serial.begin( 9600);

  for( int i=0; i<2; i++)
  {
    for( int j=0; j<8; j++)
    {
      for( int k=0; k<4; k++)
      {
        Serial.print( Letter[i].bMatrix[j][k]);
        Serial.print( ",");
      }
      Serial.println();
    }
    Serial.println();
  }
}

void loop()
{
}