Rɛy mɛthä(mathematics), ce̱tkɛ rɛy Pi̱i̱dhik(physics), tin pay tuɔɔk kɛnɛ cät tin/ca lip i̱ bi̱ ben cukɛ ben nhial kä cu te ŋuan ben ti̱ cu rɔ̱ gɛr.