nudy[8], dury[8], rudy[8], udry[8], urdy[8], rund[7], nury[7], runy[7], urny[7], uryn[7],
dnu[6], nud[6], dur[6], rud[6], urd[6], nur[5], run[5], urn[5], dny[5], dyn[5],
ud[5], nu[4], ny[3],
