sigm[7], istm[6], miss[5], sitw[5], wist[5], witw[5],
mig[6], git[6], gis[5], mit[5], wig[5], mis[4], sim[4], sit[4], tss[4], siw[3], wis[3], wsi[3],
im[3], mi[3], ts[3], si[2], iw[2],
