Words that contain 'f' and end in 'gm'

In Scrabble, what's the most points you can get from words that have 'f' in and end with 'gm'?
As there is just 1 result possible, you're obligated to use 'flegm' which totals 11 points.

In total, how many words are available using these specific combinations of letters?
Unfortunately, there is only 1 word possible using words that have 'f' in and end with 'gm'.