[riddele_for_you]

Я правильно понял?

function oms_zakra(el) {
    function s(a) {
        return a.reduce(function (a, b) {
            return a + b
        }, 0)
    }

    function c(a) {
        return a[0].reduce(function (e, b, g) {
            e[g] = [];
            for (b = 0; b < a.length; b++) e[g].push(a[b][g]);
            return e
        }, {})
    }

    function fn(a, e) {
        return Object.keys(a).sort(function (b, g) {
            return e ? s(a[g]) - s(a[b]) : s(a[b]) - s(a[g])
        })[0]
    }

    function r(a, e) {
        return e.reduce(function (b, e, h) {
            e && (b[h] = a[h]);
            return b
        }, {})
    }

    function ff(a, e) {
        return a.map(function (a) {
            return a.filter(function (a, b) {
                return 0 == e[b]
            })
        })
    }

    function print(a, e, b) {
        a = a.reduce(function (a, b) {
            return a + "<div>" + JSON.stringify(b) + "</div>"
        }, e);
        document.body.insertAdjacentHTML("beforeEnd", a + b)
    }
    var m = el,
        temp = "абвгдежзи".split("");
    temp.length = m.length;
    for (var res = []; 2 < m.length;) {
        print(temp, "", "");
        print(m, "", "");
        var d = c(m),
            n = fn(d),
            t = d[n],
            f = r(m, t),
            k = fn(f, !0);
        res.push(temp.splice(k, 1)[0]);
        var v = m.splice(k, 1)[0];
        m = ff(m, v)
    }
    print([res.sort()], "<b>", "</b>");
}