  Orbits of the Weyl reflection groups attached to the simple Lie groups $A_2,
C_2, G_2$ and Coxeter group $H_2$ are considered. For each of the groups
products of any two orbits are decomposed into the union of the orbits. Results
are presented in a single formula for each of the groups. Orbits are considered
as functions of two variables and limits for such functions are mentioned.
