bug[9], gub[9], jug[9], buc[8], cug[8], buk[8], kub[8], juk[8], kuj[8], bum[8], umb[8], gum[8], jum[8], ujm[8], kuc[7], cum[7], muc[7], kum[7], bun[7], gnu[7], jun[7], kun[6], mun[6],
bu[6], gu[6], ku[5], mu[5], nu[4],
