% set catcodes for the lowercase Russian letters in koi8-r encoding
\catcode 193=12 % \cyra
\catcode 194=12 % \cyrb
\catcode 215=12 % \cyrv
\catcode 199=12 % \cyrg
\catcode 196=12 % \cyrd
\catcode 197=12 % \cyre
\catcode 163=12 % \cyryo
\catcode 214=12 % \cyrzh
\catcode 218=12 % \cyrz
\catcode 201=12 % \cyri
\catcode 202=12 % \cyrishrt
\catcode 203=12 % \cyrk
\catcode 204=12 % \cyrl
\catcode 205=12 % \cyrm
\catcode 206=12 % \cyrn
\catcode 207=12 % \cyro
\catcode 208=12 % \cyrp
\catcode 210=12 % \cyrr
\catcode 211=12 % \cyrs
\catcode 212=12 % \cyrt
\catcode 213=12 % \cyru
\catcode 198=12 % \cyrf
\catcode 200=12 % \cyrh
\catcode 195=12 % \cyrc
\catcode 222=12 % \cyrch
\catcode 219=12 % \cyrsh
\catcode 221=12 % \cyrshch
\catcode 223=12 % \cyrhrdsn
\catcode 217=12 % \cyrery
\catcode 216=12 % \cyrsftsn
\catcode 220=12 % \cyrerev
\catcode 192=12 % \cyryu
\catcode 209=12 % \cyrya
% additional letters for koi8-ru
\catcode 164=12 % \cyrie
\catcode 166=12 % \cyrii
\catcode 167=12 % \cyryi
\catcode 173=12 % \cyrgup
\catcode 174=12 % \cyrushrt
