Which preposition to use with enigma

of Occurrences 29%

The one enigma of their criticism is the respect that they joined in paying to the witty, genial, shallow, worldly, musical Tom Moore.

to Occurrences 15%

A jealous pang shot through Elenko's breast; she looked cautiously in, and discerned the same mysterious veiled woman whose demeanour had already been an enigma to her.

in Occurrences 5%

The incident seems cut from a French novel; but so does the whole strange storyone apparently insoluble enigma in an otherwise only too transparent life.

as Occurrences 4%

To me the affair is just as much of an enigma as to you," I hastened at once to explain.

about Occurrences 2%

Elton borrowed the "Aids" from Hessey (by the way what is your Enigma about Cupid?

for Occurrences 1%

Mr. P. composed an enigma for a group of these young students.

beyond Occurrences 1%

She was an enigma beyond any puzzle in mathematics he had ever brought his mind to bear upon.

on Occurrences 1%

Tomb, Enigma on, 214292.

than Occurrences 1%

Why Belle you are a greater enigma than ever.

against Occurrences 1%

The following Sepulchral Enigma against Pride, is engraved on a stone, in the Cathedral Church of Hamburgh: "O, Mors, cur, Deus, negat, vitam, be, se, bis, nos, his, nam." CANON.

with Occurrences 1%

Zadig alone guessed that it was Life, and explained all the other enigmas with the same facility.

Which preposition to use with  enigma