buc[8], bud[8], buk[8], kub[8], pub[8], cud[7], kuc[7], bun[7], cup[7], puc[7], dup[7], pud[7], kup[7], puk[7], bru[7], bur[7], dnu[6], nud[6], kun[6], pun[6], cru[6], dur[6], rud[6], urd[6], kur[6], brr[5], nur[5], run[5], urn[5], rur[5], drr[4], prr[4],
bu[6], ud[5], ku[5], nu[4],