xthe literal x (12010 / 1708 / 7816) (case sensitive)
ythe literal y (12110 / 1718 / 7916) (case sensitive)
zthe literal z (12210 / 1728 / 7A16) (case sensitive)
cthe literal c (9910 / 1438 / 6316) (case sensitive)
tthe literal t (11610 / 1648 / 7416) (case sensitive)