spur[7], rums[6], muss[6], sums[6], runs[4], nuss[4], russ[4], usus[4],
pur[6], ups[6], mur[5], rum[5], mus[5], ums[5], nur[3], run[3], uns[3], rus[3], sur[3], urs[3],
um[4], nu[2], ur[2],
