Ystryw, n. a subtlety, a finesse, a stratagem, a trick
Ystrywgar, a. crafty, wily
Ystrywiad, n. a using of craft
Ystrywio, v. to use craft
Ystrywiol, a. plotting, devising
Ystum, n. a bend, a curve; shape fashion, gait
Ystumgar, shapely, well-formed
Ystumiad, n. a shaping
Ystumio, v. to form, to fashion, to bend, to turn
Ystumiol, a. pliable, sinuous