FIOPXTS

Make words with S

Never: plural or third-person -S

Missed: TOSSPOT

FIST FOIST FOOTPOST OOPS OTITIS PISS POSIT POST POSTFIX SIFT SI SISS SOFFIT SOFT SOOT SPIT SPOOF SPOT STIFF STOOP STOP TOSS TOST

Pangrams: POSTFIX

score: 74