bud[8], bum[8], umb[8], dud[7], dum[7], mud[7], edu[6], ued[6], emu[6], dwu[6], dem[5], web[5], mew[4],
bu[6], ud[5], mu[5], be[4], wu[4], de[3], em[3], me[3], ew[2], we[2],
