IMOPVTS
Make words with S
Never: plural or third-person -S
MIOSIS MISO MISS MISSIS MIST MISTI MITOSIS MOIST MOSS MOST OOPS OPTIMISM OPTIMIST OSMOSIS OTITIS OVISM OVIST PISS POSIT POSITIVISM POSITIVIST POST SISS SOOT SPIT SPOT STIM STOMP STOOP STOP TOPMOST TOSS TOSSPOT TOST VISIT
Pangrams: POSITIVISM
score: 145