An enquiry for a journey from Knott End to Conder Green finds the locations; they are all in the database.
... smidgen of hope.
IF the closed Traveline North West had chosen to announce its demise HELPFULLY, it might have provided a link to Lancashire County Council's bus timetable site. Here the "split of 89 and 89H will befiuddle a search by route number. BUT, joy of joys (?), a search by location will reveal the two services that are really one.
If the pub is still open?