(Honolulu-AP) -- The undefeated University of Hawaii women's volleyball team rolled to another victory last night, beating unranked Houston 30-17, 30-17, 30-20. The second-ranked Rainbow Wahine got 17 kills from Kim Willoughby and 14 from Lily Kahumoku to improve to 9-0. Kahumoku also had nine digs to lead Hawaii. Donna Sellen and Jenny Tanneberger led the Cougars with five kills apiece as Houston dropped to 7-and-4. Hawaii is set to host St. Mary's tonight.