ACULPSK
Make words with K
Never: plural or third-person -S
+CAULK+PUCK+ (missing)
ALACK CACK CASK CLACK CLUCK CUCK KAKA KAPPA LACK LUCK LUSAKA PACK PLUCK SACK SKUA SKULK SKULL SKULLCAP SLACK SUCK SULK
Pangrams: SKULLCAP
score: 72