big[7], gib[7], bij[7], jig[7], gik[6], kij[6], pij[6], kip[5], kpi[5], pik[5], gir[5], igr[5], irg[5], biz[5], izb[5], gzi[5], ikr[4], kir[4], zip[4],
bi[4], ki[3], pi[3],