EINXSVP

Make words with P

Never: plural or third-person -S

Missed: PENIS (duh!)

EPEE EXPENSE EXPENSIVE INEXPENSIVE NINEPIN PEEN PEEP PEEVE PENNE PENSIVE PENSIVENESS PEPPINESS PINE PIPE PIPPIN PISS PIXIE SEEP SEPSIS SNIP SNIPE SPIN SPINE

Pangrams: EXPENSIVE INEXPENSIVE

score: 121