kudus[8], kurus[8],
kurv[12], krud[7], kurs[7], kuss[7], kudu[7], suds[4], russ[4], urdu[4], usus[4],
kur[6], dur[3], sud[3], uds[3], rus[3], sur[3], urs[3],
du[2], ud[2], ur[2],
