mbir[7], bims[7], sigm[7], tigr[7], mirt[6], mitr[6], istm[6],
big[7], gib[7], bim[6], mig[6], bit[6], git[6], gir[5], igr[5], irg[5], bis[5], gis[5], mit[5], mir[4], mis[4], sim[4], itr[4], tir[4], tri[4], sit[4], sir[3],
bi[4], im[3], mi[3], ts[3], si[2],
