guru[10], rugu[10], ugru[10], drug[9], grud[9], gurd[9], duru[9], urdu[9], runu[8], gruz[8], rund[7], zdun[7], druz[7], durz[7],
dug[8], udu[8], gnu[7], gur[7], rug[7], guz[7], dnu[6], nud[6], dur[6], rud[6], urd[6], uzd[6], nur[5], run[5], urn[5],
gu[6], uu[6], ud[5], nu[4],
