mull[8], mild[7], muli[7], dill[6], rill[6], drum[6],
ulm[6], mir[5], mud[5], mur[5], rum[5], lid[4], lud[4], dir[3], dur[3],
im[4], mi[4], um[4], ul[3], du[2], ud[2], ui[2], ur[2],
