rodu[7], rudo[7], sodu[7], suro[6], rowu[6], woru[6], osuw[6], owsu[6],
duo[6], udo[6], dur[6], rud[6], urd[6], dwu[6], oru[5], sou[5], rus[5], sur[5], suw[5], odr[4], ord[4], rod[4], ros[3], rwo[3],
ud[5], su[4], wu[4], do[3], od[3], or[2], ro[2], os[2],
