• $\hat{x}$ : \(\hat{x}\)

• $\widehat{x}$ : \(\widehat{x}\)

• $\tilde{x}$ : \(\tilde{x}\)

• $\widetilde{x}$ : \(\widetilde{x}\)

• $\dot{x}$ : \(\dot{x}\)

• $\alpha$ : \(\alpha\)

• $\beta$ : \(\beta\)

• $\lambda$ : \(\lambda\)

• $\varphi$ : \(\varphi\)

• $\delta$ : \(\delta\)

• $\omega$ : \(\omega\)

• $\phi$ : \(\phi\)

---

To be continue…