The Indispensables' indispensables. The unlined suit, left--smallest, most comfortale in the world. This one, by Friedricks Sport for Henry Friedricks, in double-faced banana-pale wool, over a shirt and sweater-vest. The knitted suit, right, relaxed as sweaters--Annemarie Gardin's in navy with white dots, a bias-y swing to the skirt, white crepe sjirt underneath.... Photographed in the C.B.S. viewing room.