apang

@echo off&setlocal enabledelayedexpansion
(for /f "tokens=1,2 delims=-" %%a in (aa.txt) do (
  set a=%%a&set b=%%b
  for /l %%c in (1!a:~-5! 1 1!b:~-5!) do (
    set c=%%c
    echo !a:~,5!!c:~-5!
  )
))>bb.txt
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