- Letter:
AllA(71)B(61)C(70)D(39)E(25)F(54)G(39)H(47)I(60)J(15)K(24)L(36)M(69)N(48)O(16)P(48)Q(8)R(35)S(77)More
- Operating System:
AllWindows XP(77)Windows Vista(77)Windows 7(77)Windows 8(77)Windows 10(77)Windows 2000(77)Windows Server 2003(77)Windows Server 2008(77)Windows Server 2012(77)Windows Server 2016(77)Mac OS Classic(59)macOS(77)Linux(77)iOS(77)