knur[7], skun[7], kurs[7], wnuk[7], kurw[7],
kun[6], kur[6], suk[6], nur[5], run[5], urn[5], rur[5], snu[5], rus[5], sur[5], sus[5], wun[5], suw[5], wrr[3],
ku[5], nu[4], su[4], wu[4],
