Hubby late in starting this one. He has done quiet a few but need help on the following please. 33A - Rule about 32, perhaps - a sign we may not fully understand (8) L?Y?O?EN 11A - Graphic representation of capital swindle (7) LI?ACO? 18A - Parts of duet in which one needs support at first (7) SE???T? 20D - Argue in support of not quite old-fashioned hairstyle (7) ???N?O? Help with these should get him going again. Thanks all who help