% set catcodes for the lowercase Ukrainian and Russian letters in lcy encoding
\catcode 160=12 % \cyra       
\catcode 161=12 % \cyrb       
\catcode 162=12 % \cyrv       
\catcode 163=12 % \cyrg       
\catcode 164=12 % \cyrd       
\catcode 165=12 % \cyre       
\catcode 241=12 % \cyryo      
\catcode 166=12 % \cyrzh      
\catcode 167=12 % \cyrz       
\catcode 168=12 % \cyri       
\catcode 169=12 % \cyrishrt   
\catcode 170=12 % \cyrk       
\catcode 171=12 % \cyrl       
\catcode 172=12 % \cyrm       
\catcode 173=12 % \cyrn       
\catcode 174=12 % \cyro       
\catcode 175=12 % \cyrp       
\catcode 224=12 % \cyrr       
\catcode 225=12 % \cyrs       
\catcode 226=12 % \cyrt       
\catcode 227=12 % \cyru       
\catcode 228=12 % \cyrf       
\catcode 229=12 % \cyrh       
\catcode 230=12 % \cyrc       
\catcode 231=12 % \cyrch      
\catcode 232=12 % \cyrsh      
\catcode 233=12 % \cyrshch    
\catcode 234=12 % \cyrhrdsn   
\catcode 235=12 % \cyrery     
\catcode 236=12 % \cyrsftsn   
\catcode 237=12 % \cyrerev    
\catcode 238=12 % \cyryu      
\catcode 239=12 % \cyrya      
\catcode 243=12 % \cyrgup      
\catcode 245=12 % \cyrie      
\catcode 247=12 % \cyrii      
\catcode 249=12 % \cyryi      
\catcode`'=11\lccode`'=`'