cud[7], cup[7], puc[7], dup[7], pud[7], cru[6], dur[6], rud[6], urd[6], psu[6], spu[6], dwu[6], rur[5], rus[5], sur[5], suw[5], drr[4], prr[4], wrr[3],
ud[5], su[4], wu[4],
