Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
elementary =
1.
‘c
2.
‘f
3.
’z
4.
•§
ƒŒƒxƒ‹5.
•ÏX
SDAL“‡‰pŒêŠwZ