drill[7], dills[7], silds[6],
mild[7], dill[6], rill[6], mirs[6], miss[6], sims[6], lids[5], sild[5], diss[4], riss[4], sirs[4],
mir[5], lid[4], dir[3], dis[3], sir[3], iss[3],
im[4], mi[4], si[2],
