alpha A A | beta B B | gamma \ \
GAMMA G G | delta D D | DELTA W W
epsilon S S | zeta Q Q | eta N N
THETA T T | theta O O | lambda L L
LAMBDA E E | mu M M | nu @ @
xi X X | pi J J | PI P P
rho K K | sigma Y Y | SIGMA R R
tau I I | phi U U | PHI F F
psi V V | PSI H H | omega C C
OMEGA Z Z | nabla [ [ | not _ _
partial ] ] | integral ^ ^