R1O1O1M3Y4
10 points
ROOMY is validvalid
spacious [adj ROOMIER, ROOMIEST] : ROOMILY [adv], ROOMINESS [n]
spacious [adj ROOMIER, ROOMIEST, ROOMILY]
spacious [adj ROOMIER, ROOMIEST] : ROOMILY [adv], ROOMINESS [n]
spacious [adj ROOMIER, ROOMIEST, ROOMILY]