BGOPUSR

Make words with R

Never: plural or third-person -S

BOOR BOURG BURG BURO BURP BURR BURRO GROG GROSS GROUP GRUB GURU POOR POROUS POUR PROP PURR SORB SOUR SOURPUSS SOURSOP SPOOR SPUR SUBGROUP SUBURB SUSURROUS SUSURRUS USUROUS USURP

Pangrams: SUBGROUP

score: 111