ULOPRSH
Make words with H
Never: plural or third-person -S
HOOP HOPS HORROR HOUR HULL HURL HUSH LUSH PHOSPHOR PHOSPHOROUS PHOSPHORUS PLUSH POOH POSH PUSH RUSH SHOO SHOP SHUSH SLOSH SLUSH SULPHUR SULPHUROUS UPRUSH
Pangrams: SULPHUROUS
score: 98