AILOPSU
Make words with U
Never: plural or third-person -S
Non-word: PALLIUS, removed
ALALUS ALULA APOLOUSIS LAPILLUS LUAU LULL LULU LUSUS OPUS PALLIUS PALPUS PAPILLOUS PAPPUS PIOUS PLUS POPULOUS PULL PULP PUPA PUPAL PUPIL PUPU PUSS SLIPUP SOUL SOUP SUSS UPSLIP USUAL
Pangrams: APOLOUSIS PAPILLOUS
score: 128