tau \ eI\ f I | phi \ eU\ f U | PHI \ eF\ f F
psi \ eV\ f V | PSI \ eH\ f H | omega \ eC\ f C
OMEGA \ eZ\ f Z | nabla \ e[\ f [ | not \ e_\ f _
tau \ eI\ f I | phi \ eU\ f U | PHI \ eF\ f F
psi \ eV\ f V | PSI \ eH\ f H | omega \ eC\ f C
OMEGA \ eZ\ f Z | nabla \ e[\ f [ | not \ e_\ f _