Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
elementary =
1.
ð
2.
‘K
3.
‘f
4.
—e
ƒŒƒxƒ‹5.
•ÏX
SDAL“‡‰pŒêŠwZ