cug[8], dug[8], gum[8], cud[7], cum[7], muc[7], dum[7], mud[7], gnu[7], cup[7], puc[7], dup[7], pud[7], pum[7], gur[7], rug[7], dnu[6], nud[6], mun[6], pun[6], cru[6], dur[6], rud[6], urd[6], mru[6], mur[6], rum[6], nur[5], run[5], urn[5],
gu[6], ud[5], mu[5], nu[4],