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