air force	air forc	0.1374
occurred on Wednesday	occur on wednesd	0.1374
INJURY	injur	0.1374
Wednesday morning	wednesd morn	0.1374
Moscow	moscow	0.1374
AIR FORCE CHIEF	air forc chief	0.1374
crash	crash	0.1374
accident	acc	0.0497
General	gener	0.0081