ABCGUSM
Make words with M
Never: plural or third-person -S
AMASS BAMBA GAMMA GUMMA MACCUS MAGMA MAGUS MAMA MAMBA MAMMA MASS MUCUS MUSS SAMBA SCAM SCUM SCUMBAG SMUG SUBGUM SUCCUMB SUMMA
Pangrams: SCUMBAG
score: 94