MacDomB wrote:

How can I type a letter with the Russian cyrillic alphabet in Word?

See step-by-step instruction in the
"Russian Keyboard: standard and phonetic" of my site.
It's even has a small chapter about Word at the end.

--
Regards,
Paul Gorodyansky
"Cyrillic (Russian): instructions for Windows and Internet":
http://RusWin.net
Russian On-screen Keyboard: http://Kbd.RusWin.net