diff --git a/examples/mini_librispeech/cmd.sh b/examples/mini_librispeech/cmd.sh
index 1dc96d4..d014014 100644
--- a/examples/mini_librispeech/cmd.sh
+++ b/examples/mini_librispeech/cmd.sh
@@ -10,12 +10,12 @@
 # conf/queue.conf in http://kaldi-asr.org/doc/queue.html for more information,
 # or search for the string 'default_config' in utils/queue.pl or utils/slurm.pl.
 
-#export train_cmd="run.pl --mem 4G"
-#export cuda_cmd="run.pl --mem 4G --gpu 1"
-#export decode_cmd="run.pl --mem 4G"
+export train_cmd="run.pl --mem 4G"
+export cuda_cmd="run.pl --mem 4G --gpu 1"
+export decode_cmd="run.pl --mem 4G"
 
 # JHU setup
-export train_cmd="queue.pl --mem 4G"
+#export train_cmd="queue.pl --mem 4G"
 #export cuda_cmd="queue.pl --mem 4G --gpu 1 --config conf/gpu.conf"
-export cuda_cmd="queue-freegpu.pl --mem 4G --gpu 1 --config conf/gpu.conf"
-export decode_cmd="queue.pl --mem 4G"
+#export cuda_cmd="queue-freegpu.pl --mem 4G --gpu 1 --config conf/gpu.conf"
+#export decode_cmd="queue.pl --mem 4G"
diff --git a/examples/mini_librispeech/prepare_graph.sh b/examples/mini_librispeech/prepare_graph.sh
index 99ef598..d79b0b9 100755
--- a/examples/mini_librispeech/prepare_graph.sh
+++ b/examples/mini_librispeech/prepare_graph.sh
@@ -9,6 +9,7 @@ set -e -o pipefail
 stage=0
 train_set=train_clean_5
 valid_set=dev_clean_2
+combine_set=all
 rootdir=data
 
 langdir=data/lang
@@ -22,13 +23,18 @@ nj=10
 . ./cmd.sh
 . ./utils/parse_options.sh
 
-lang=$langdir/lang_${type}${unit}_e2e
+lang=${langdir}_${type}${unit}_e2e
 graph=$graphdir/${type}${unit}
 
 if [ $stage -le 0 ]; then
   echo "$0: Stage 0: Phone LM estimating"
-  rm -rf $lang
-  cp -r $langdir/lang_nosp $lang
+  
+	if [ -f $lang ];then 
+		rm -rf $lang
+	fi
+	
+	utils/combine_data.sh $rootdir/$combine_set $rootdir/train_clean_5 $rootdir/dev_clean_2
+	cp -r $langdir $lang
   silphonelist=$(cat $lang/phones/silence.csl) || exit 1;
   nonsilphonelist=$(cat $lang/phones/nonsilence.csl) || exit 1;
   # Use our special topology... note that later on may have to tune this
@@ -38,10 +44,10 @@ if [ $stage -le 0 ]; then
   echo "Estimating a phone language model for the denominator graph..."
   mkdir -p $graph/log
   $train_cmd $graph/log/make_phone_lm.log \
-             cat $rootdir/$train_set/text \| \
+             cat $rootdir/$combine_set/text \| \
              steps/nnet3/chain/e2e/text_to_phones.py --between-silprob 0.1 \
-             $langdir/lang_nosp \| \
-             utils/sym2int.pl -f 2- $langdir/lang_nosp/phones.txt \| \
+             ${langdir} \| \
+             utils/sym2int.pl -f 2- $langdir/phones.txt \| \
              chain-est-phone-lm --num-extra-lm-states=2000 \
              ark:- $graph/phone_lm.fst
 fi
@@ -56,7 +62,7 @@ if [ $stage -le 1 ]; then
   prepare_e2e.sh --nj $nj --cmd "$train_cmd" \
 		 --type $type_arg \
 		 --shared-phones true \
-		 $rootdir/$train_set $lang $graph
+		 $rootdir/$combine_set $lang $graph
   echo "Making denominator graph..."
   $train_cmd $graph/log/make_den_fst.log \
 	     chain-make-den-fst $graph/tree $graph/0.trans_mdl \
@@ -87,8 +93,8 @@ fi
 if [ $stage -le 3 ]; then
   echo "Making HCLG full graph..."
   utils/lang/check_phones_compatible.sh \
-    $langdir/lang_nosp_test_tgsmall/phones.txt $lang/phones.txt
+    ${langdir}_nosp_test_tgsmall/phones.txt $lang/phones.txt
   utils/mkgraph.sh \
-    --self-loop-scale 1.0 $langdir/lang_nosp_test_tgsmall \
+    --self-loop-scale 1.0 data/lang_nosp_test_tgsmall \
     $graph $graph/graph_tgsmall || exit 1;
 fi
diff --git a/examples/mini_librispeech/run.sh b/examples/mini_librispeech/run.sh
index 660a315..77e1c88 100755
--- a/examples/mini_librispeech/run.sh
+++ b/examples/mini_librispeech/run.sh
@@ -32,7 +32,7 @@ unit=phone # phone/char
 type=mono # mono/bi
 
 affix=
-stage=0
+stage=-1
 . ./path.sh
 . ./utils/parse_options.sh
 
@@ -89,9 +89,9 @@ if [ $stage -le 3 ]; then
 		     --valid_set $valid_set \
 		     --rootdir $rootdir \
 		     --graphdir $graphdir \
-		     --langdir $langdir \
+		     --langdir ${langdir}_nosp \
 		     --type $type \
-		     --unit $unit
+		     --unit $unit  
 fi
 
 if [ ${stage} -le 4 ]; then
@@ -134,7 +134,7 @@ if [ ${stage} -le 5 ]; then
   opts=""
   mkdir -p $dir/logs
   log_file=$dir/logs/train.log
-  python3 train.py
+  python3 $MAIN_ROOT/train.py \
     --train data/train_${type}${unit}.json \
     --valid data/valid_${type}${unit}.json \
     --den-fst $graph/normalization.fst \
@@ -157,7 +157,7 @@ if [ ${stage} -le 6 ]; then
   log_file=$dir/logs/dump_$test_set.log
   result_file=$test_set/posteriors.ark
   mkdir -p $dir/$test_set
-  python3 test.py \
+  python3 $MAIN_ROOT/test.py \
 	  --test data/valid_${type}${unit}.json \
 	 --model model_best.pth.tar \
 	 --results $result_file \
@@ -179,8 +179,8 @@ fi
 
 if [  $stage -le 8 ]; then
   echo "Stage 8: Forthgram LM rescoring"
-  oldlang=$langdir/lang_nosp_test_tgsmall
-  newlang=$langdir/lang_nosp_test_tglarge
+  oldlang=${langdir}_nosp_test_tgsmall
+  newlang=${langdir}_nosp_test_tglarge
   oldlm=$oldlang/G.fst
   newlm=$newlang/G.carpa
   oldlmcommand="fstproject --project_output=true $oldlm |"
diff --git a/examples/wsj/prepare_graph.sh b/examples/wsj/prepare_graph.sh
index ead8b46..2536fa0 100755
--- a/examples/wsj/prepare_graph.sh
+++ b/examples/wsj/prepare_graph.sh
@@ -9,6 +9,7 @@ set -e -o pipefail
 stage=0
 train_set=train_si284
 valid_set=test_dev935
+combine_set=all
 rootdir=data
 
 langdir=data/lang
@@ -28,6 +29,7 @@ graph=$graphdir/${type}${unit}
 if [ $stage -le 0 ]; then
   echo "$0: Stage 0: Phone LM estimating"
   rm -rf $lang
+	./utils/combine_data.sh $rootdir/$combine_set $rootdir/$train_set $rootdir/$valid_set
   cp -r $langdir/$unit/lang_${unit} $lang
   silphonelist=$(cat $lang/phones/silence.csl) || exit 1;
   nonsilphonelist=$(cat $lang/phones/nonsilence.csl) || exit 1;
@@ -38,7 +40,7 @@ if [ $stage -le 0 ]; then
   echo "Estimating a phone language model for the denominator graph..."
   mkdir -p $graph/log
   $train_cmd $graph/log/make_phone_lm.log \
-             cat $rootdir/$train_set/text \| \
+             cat $rootdir/$combine_set/text \| \
              steps/nnet3/chain/e2e/text_to_phones.py --between-silprob 0.1 \
              $langdir/$unit/lang_$unit \| \
              utils/sym2int.pl -f 2- $langdir/$unit/lang_$unit/phones.txt \| \
@@ -56,7 +58,7 @@ if [ $stage -le 1 ]; then
   prepare_e2e.sh --nj $nj --cmd "$train_cmd" \
 		 --type $type_arg \
 		 --shared-phones true \
-		 $rootdir/$train_set $lang $graph
+		 $rootdir/$combine_set $lang $graph
   echo "Making denominator graph..."
   $train_cmd $graph/log/make_den_fst.log \
 	     chain-make-den-fst $graph/tree $graph/0.trans_mdl \
diff --git a/examples/wsj/run.sh b/examples/wsj/run.sh
index 17afd62..64b3476 100755
--- a/examples/wsj/run.sh
+++ b/examples/wsj/run.sh
@@ -137,7 +137,7 @@ if [ ${stage} -le 5 ]; then
   opts=""
   mkdir -p $dir/logs
   log_file=$dir/logs/train.log
-  python3 train.py \
+  python3 $MAIN_ROOT/train.py \
     --train data/train_${type}${unit}.json \
     --valid data/valid_${type}${unit}.json \
     --den-fst $graph/normalization.fst \
@@ -160,7 +160,7 @@ if [ ${stage} -le 6 ]; then
   log_file=$dir/logs/dump_$test_set.log
   result_file=$test_set/posteriors.ark
   mkdir -p $dir/$test_set
-  python3 test.py \
+  python3 $MAIN_ROOT/test.py \
 	  --test data/test_${type}${unit}.json \
 	  --model model_best.pth.tar \
 	  --results $result_file \