fum[10], muf[10], tfu[10], tuf[10], fus[9], cum[7], muc[7], tum[7], mus[6], sum[6], stu[6], ust[6], sus[5], suw[5], tss[4],
fu[8], uf[8], mu[5], tu[5], ut[5], su[4], wu[4], ts[3],
