Russian dictionary originally developed by www.aot.ru and licensed under LGPL.
(http://www.aot.ru) or (http://sourceforge.net/p/seman/svn/HEAD/tree/trunk/Dicts/SrcMorph/RusSrc/) file (morphs.mrd).
It was partially converted to fsa format in 2008-2011, 2014, 2016, 2017, 2018 by Yakov Reztsov.
Frequency information for spell-checking dictionary from (www.aot.ru).
Source frequency information (https://sourceforge.net/p/seman/svn/HEAD/tree/trunk/Dicts/SrcBinDict/WordData.txt).
It was converted to use with spell-checking dictionary in 2014, 2016 by Yakov Reztsov.
