--- /dev/null
+#!/bin/bash
+
+n=$1
+nn=`src/get-level prev $1`
+
+for b in `src/list-combin`
+do
+ i=0
+ rm -f final/$b$n
+ comm -13 working/$b$nn.pre working/$b$n.pre \
+ | src/add-accents \
+ | sort | uniq \
+ > final/$b$n
+ if [ ! -s final/$b$n ]
+ then
+ rm final/$b$n
+ fi
+done
+
+
+