Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
elementary =
1. ˆÕ
2. ‘Þ
3. ‘f
4. u

ƒŒƒxƒ‹5. •ÏX
SDAL“‡‰pŒêŠwZ