cudy[9], dury[8], rudy[8], udry[8], urdy[8], durr[7], cydr[7], rury[7], wyru[7], wydr[6], wyrw[5],
cud[7], cru[6], dur[6], rud[6], urd[6], dwu[6], rur[5], drr[4], rwy[4], wyr[4], wrr[3],
ud[5], wu[4], wy[3],
