#!/bin/bash
[ $# -ge 1 ] && [ -f "$1" ] || exit
while read oneline;do
    for onecode in $oneline;do
        let count=1
        outfile="output.$count"
        [ -f $outfile ] || touch $outfile
        while grep "${onecode%:*}" $outfile >/dev/null;do
            let count+=1
            outfile="output.$count"
            [ -f $outfile ] || touch $outfile
        done
        echo "$onecode" >>$outfile
    done
done < "$1"