BGOPRUS
Make words with S
Never: plural or third-person -S
BOGUS BOSS BUSS GROSS OOPS OPUS OURS POROUS PUSS SORB SOUP SOUR SOURPUSS SOURSOP SPOOR SPUR SUBGROUP SUBURB SUSS SUSURROUS SUSURRUS USUROUS USURP
Pangrams: SUBGROUP
score: 97