I guess it's not only the French who think replacing all TH with V/F would not make any difference. 
Sukhotin's algorithm detects vowels: h, c, g, &, f, r, j, b, $, y (4 are wrong!)
Without spaces and the cribs (short words) they provide, it would have been more difficult to solve.

Sukhotin's algorithm detects vowels: h, c, g, &, f, r, j, b, $, y (4 are wrong!)
Without spaces and the cribs (short words) they provide, it would have been more difficult to solve.

