Results: 70 words
GROUP​8
SUPER​7
UPPER​9
PROUD​8
PURSE​7
SUPRA​7
SYRUP​10
TRUMP​9
RUPEE​7
SPURS​7
PURGE​8
PRUNE​7
POURS​7
SLURP​7
PUREE​7
PURIM​9
CRUMP​11
SPURT​7
RUMPS​9
ERUPT​7
DUPER​8
USURP​7
CROUP​9
PURER​7
PURRS​7
SPRUE​7
PRUDE​8
PERDU​8
SPURN​7
GRUMP​10
PURTY​10
BURPS​9
PURLS​7
SIRUP​7
PURES​7
ROUPS​7
PURIN​7
FRUMP​12
DRUPE​8
PAREU​7
PRAHU​10
PRAUS​7
PROUL​7
PRUNT​7
PRUTA​7
PUCER​9
PUDOR​8
PUERS​7
PUKER​11
PULER​7
PURDA​8
PURED​8
PURIS​7
PURPY​12
PURSY​10
RAUPO​7
ROUPY​10
RUMPO​9
RUMPY​12
RUPIA​7
RURPS​7
SPRUG​8
SPUER​7
TURPS​7
UNRIP​7
UPDRY​11
UPRAN​7
UPRUN​7
UPTER​7
URPED​8