hub[9], bud[8], duh[8], pub[8], phu[8], puh[8], bun[7], hun[7], dup[7], pud[7], bru[7], bur[7], dnu[6], nud[6], pun[6], dur[6], rud[6], urd[6], nur[5], run[5], urn[5],
bu[6], hu[6], ud[5], nu[4],
