function designerPdfViewer(h: number[], word: string): number {
    
    const heights = [];
    
    for (let char of word) {
        const code = char.charCodeAt(0);
        const pos = code - 97;
        heights.push(h[pos]);
    }
    
    const maxHeight = Math.max(...heights);
    
    return maxHeight * word.length;
}