let pattern = /\b(?:(?:Mr|Miss|dr|lord)? )?((?:[A-Z]\w*(?:[ -][A-Z]\w*[.]?)*|[a-z]+(?: [a-z]+)))\b/;
    let strings = [
        "Mr Bob Smith",
        "Miss Jessica Blue",
        "tim white",
        "dr Lisa S pink",
        "lord Lee Kensington-Smithe",
        "William R. Burroughs III"
    ];
 
    strings.forEach(s => {
        let m = s.match(pattern);
 
        if (m) {
            print(m[1].split(" ").map(s => s.charAt(0).toUpperCase()).join(""));
        }
    });

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