bug[9], gub[9], bud[8], dug[8], bul[8], lub[8], gul[8], ulg[8], bum[8], umb[8], gum[8], pub[8], lud[7], dum[7], mud[7], lum[7], mul[7], dup[7], pud[7], lup[7], pul[7], pum[7], dwu[6], lwu[6], ulw[6],
bu[6], gu[6], ud[5], lu[5], ul[5], mu[5], wu[4],
