Russian: fix for words with ши and жи at end

dictsource/ru_rules

@@ -209,10 +209,10 @@
 .group и
         и       i
      H) и       y       // preceded by hard consonant
-     ж) и       y
+     ж) и (_      y
      _) и       I
         и (_    I
-     ш) и       y
+     ш) и (_      y
 
 .group й
         й       j